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xiachaochao
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try catch
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5 files changed

+76
-1
lines changed

5 files changed

+76
-1
lines changed

‎JavaBase/.classpath‎

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<classpath>
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<classpathentry kind="src" path="src"/>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
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<classpathentry kind="lib" path="D:/eclipse/lombok.jar"/>
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<classpathentry kind="lib" path="D:/Program Files/eclipse/lombok.jar"/>
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<classpathentry kind="lib" path="D:/Program Files/eclipse/log4j-1.2.17.jar"/>
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<classpathentry kind="output" path="bin"/>
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</classpath>

‎JavaBase/src/com/xinan/exception/Exception01.java‎

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package com.xinan.exception;
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import java.util.InputMismatchException;
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import java.util.Scanner;
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public class Exception01 {
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public static void main(String[] args) {
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Scanner sc = new Scanner(System.in);
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System.out.println("大爷，请输入两个数");
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try {
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int num1 = sc.nextInt();
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int num2 = sc.nextInt();
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System.out.println("您输入的两个数的商为:" + num1 / num2);
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} catch (ArithmeticException ae) {
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ae.printStackTrace();
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System.out.println("ArithmeticException被捕获");
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} catch (InputMismatchException ime) {
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ime.printStackTrace();
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//System.out.println(ime.getMessage());
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//System.out.println("InputMismatchException被捕获");
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} catch (Exception e) {
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// TODO Auto-generated catch block
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//e.printStackTrace();
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System.out.println("Exception被捕获");
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}
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}
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}

‎JavaBase/src/com/xinan/exception/Lpg4jDemo.java‎

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package com.xinan.exception;
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import org.apache.log4j.Logger;
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public class Lpg4jDemo {
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private Logger logger = Logger.getLogger(this.getClass());
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public void logDemo(){
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logger.debug("这是debug级别的信息");
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}
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public static void main(String[] args) {
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}
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}

‎JavaBase/src/com/xinan/exception/TestInteres01.java‎

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package com.xinan.exception;
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public class TestInteres01 {
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public static void main(String[] args) {
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int ret = test1();
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System.out.println(ret);
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}
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public static int test1() {
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int a = 1;
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try {
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return
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++a;
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//System.out.println(a);
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} finally {
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++
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a;
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}
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}
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}

‎JavaBase/src/log4j.properties‎

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### \u8BBE\u7F6ELogger\u8F93\u51FA\u7EA7\u522B\u548C\u8F93\u51FA\u76EE\u7684\u5730 ###
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log4j.rootLogger=debug, stdout,logfile
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### \u628A\u65E5\u5FD7\u4FE1\u606F\u8F93\u51FA\u5230\u63A7\u5236\u53F0 ###
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log4j.appender.stdout=org.apache.log4j.ConsoleAppender
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log4j.appender.stdout.Target=System.err
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log4j.appender.stdout.layout=org.apache.log4j.SimpleLayout
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### \u628A\u65E5\u5FD7\u4FE1\u606F\u8F93\u51FA\u5230\u6587\u4EF6\uFF1Ajbit.log ###
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log4j.appender.logfile=org.apache.log4j.FileAppender
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log4j.appender.logfile.File=D://jbit.log
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log4j.appender.logfile.layout=org.apache.log4j.PatternLayout
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log4j.appender.logfile.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %l %F %p %m%n

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