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jossc
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添加自测代码
1 parent cf74ccd commit ff8d5b6

11 files changed

Lines changed: 189 additions & 10 deletions

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‎src/main/java/com/basics/ThreadCode/CountDownLatchTest/TestCountDownLatch.java‎

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@@ -23,7 +23,6 @@ public static void main(String []args){
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try {
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downLatch.await();
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System.err.println("objk");
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// executorService.shutdownNow();
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} catch (InterruptedException e) {
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e.printStackTrace();

‎src/main/java/com/basics/UnsafeTest/unsafe_voliate/model/SuperObject.java‎

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@@ -1,5 +1,4 @@
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package com.basics.UnsafeTest.unsafe_voliate.model;
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/**
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* @ClassName SuperObject
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* @Description TODO
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* @Version 1.0
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**/
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public class SuperObject {
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long SuperObjectLong;
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public static void main(String[] args) {
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int num =68;
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char c = (char) num;
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System.out.println(c);
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}
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}

‎src/main/java/com/concurrent/thread/package-info.java‎

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/**
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* 7.10~7.24 Java并发编程 整理输出
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*/
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package com.concurrent.thread;

‎src/main/java/com/concurrent/thread/volatileone/VolatileOne.java‎

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package com.concurrent.thread.volatileone;
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/**
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* @ClassName VolatileOne
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* @Author chenzhuo
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* @Version 1.0
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* @Date 2019-07-10 22:15
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* ; {external_word}
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* 0x000000010bab274f: je 0x000000010bab2793
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* 0x000000010bab2755: push %rsi
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* 0x000000010bab2756: push %rdx
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* 0x000000010bab2757: push %rcx
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* 0x000000010bab2758: push %r8
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* 0x000000010bab275a: push %r9
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* 0x000000010bab275c: movabs $0x1095aa930,%rsi ; {metadata({method} {0x00000001095aa930} 'arraycopy' '(Ljava/lang/Object;ILjava/lang/Object;II)V' in 'java/lang/System')}
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* 0x000000010bab2766: mov %r15,%rdi
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* 0x000000010bab2769: test $0xf,%esp
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* 0x000000010bab276f: je 0x000000010bab2787
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* 0x000000010bab2775: sub $0x8,%rsp
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* 0x000000010bab2779: callq 0x00000001070ed104 ; {runtime_call}
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* 0x000000010bab277e: add $0x8,%rsp
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* 0x000000010bab2782: jmpq 0x000000010bab278c
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* 0x000000010bab2787: callq 0x00000001070ed104 ; {runtime_call}
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* 0x000000010bab278c: pop %r9
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* 0x000000010bab278e: pop %r8
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* 0x000000010bab2790: pop %rcx
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* 0x000000010bab2791: pop %rdx
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* 0x000000010bab2792: pop %rsi
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* 0x000000010bab2793: lea 0x1f8(%r15),%rdi
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* 0x000000010bab279a: movl $0x4,0x270(%r15)
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* 0x000000010bab27a5: callq 0x0000000106f46d70 ; {runtime_call}
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* 0x000000010bab27aa: vzeroupper
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* 0x000000010bab27ad: movl $0x5,0x270(%r15)
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* 0x000000010bab27b8: lock addl $0x0,(%rsp)
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* 0x000000010bab27bd: cmpl $0x0,-0x45b5a57(%rip) # 0x00000001074fcd70
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* ; {external_word}
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**/
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public class VolatileOne {
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static volatile VolatileOne volatileOne;
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public static void main(String[] args) {
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volatileOne = new VolatileOne();
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}
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}

‎src/main/java/com/concurrent/thread/volatileone/VolatileTwo.java‎

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package com.concurrent.thread.volatileone;
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/**
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* @ClassName VolatileTwo
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* @Author chenzhuo
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* @Version 1.0
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* @Date 2019-07-13 22:56
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**/
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public class VolatileTwo {
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private int first;
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private volatile int two;
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public static void main(String[] args) {
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}
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public void write() {
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first = 1;
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two = 2;
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}
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public void read() {
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int i = first;
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int j = two;
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}
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}

‎src/main/java/com/jvm/classloader/relyclass/Test4.java‎

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package com.jvm.classloader.relyclass;
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/**
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* @ClassName Test4
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* @Author chenzhuo
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* @Version 1.0
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* @Date 2019-06-30 21:35
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**/
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public class Test4 {
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static {
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System.out.println("staci block");
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}
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public static void main(String[] args) {
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System.out.println("hello test4");
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}
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}

‎src/main/java/com/jvm/classloader/relyclass/Test5.java‎

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package com.jvm.classloader.relyclass;
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/**
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* @ClassName Test5
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* @Author chenzhuo
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* @Version 1.0
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* @Date 2019-06-30 21:43
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**/
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public class Test5 {
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11+
public static void main(String[] args) {
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/*String[] strings = new String[10];
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System.out.println(strings.getClass());*/
14+
int[] ints = new int[10];
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System.out.println(ints.getClass());
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}
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}

‎src/main/java/com/jvm/classloader/relyclass/Test6.java‎

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package com.jvm.classloader.relyclass;
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import java.util.Random;
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/**
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* @ClassName Test6
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* @Author chenzhuo
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* @Version 1.0
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* @Date 2019-06-30 22:11
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**/
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public class Test6 {
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public static void main(String[] args) {
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System.out.println(Test6_1.i);
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}
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}
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class Test6_1 {
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public static final int i = new Random().nextInt(100);
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static {
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System.out.println("test6_1 static block");
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}
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}

‎src/main/java/com/jvm/classloader/relyclass/Test7.java‎

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package com.jvm.classloader.relyclass;
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/**
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* @ClassName Test7
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* @Author chenzhuo
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* @Version 1.0
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* @Date 2019-06-30 22:35
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**/
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public class Test7 {
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public static void main(String[] args) {
11+
System.out.println(Test7_2.i);
12+
}
13+
}
14+
class Test7_1{
15+
public static int i =5;
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static {
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System.out.println("Test7_1 static block");
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}
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}
20+
class Test7_2 extends Test7_1{
21+
static {
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System.out.println("Test7_2 static block");
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}
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}

‎src/main/java/com/jvm/classloader/relyclass/TestOne.java‎

Lines changed: 19 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -13,12 +13,28 @@
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**/
1414
public class TestOne {
1515

16-
static {
17-
System.err.println("classPath :" + TestOne.class.getClassLoader());
16+
public static void main(String[] args) {
17+
TestChild testChild = new TestChild();
1818
}
19+
}
1920

20-
public static void main(String[] args) {
21+
class TestOneParent {
22+
/**
23+
* 如果是final static 修饰，在编译期间就会确定和初始化值，如果有子类或者自身引用 不会初始化static
24+
*/
25+
public static final String sh = "skr skr";
26+
27+
public static String s = "Hello word";
2128

29+
static {
30+
System.out.println("this static block");
2231
}
32+
2333
}
2434

35+
class TestChild extends TestOneParent {
36+
public static String skr = "skr";
37+
static {
38+
System.out.println("child one static block");
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}
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}

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