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StackOfIntegers.java
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executable file
·54 lines (52 loc) · 1.4 KB
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/* */ package ch10;
/* */
/* */ public class StackOfIntegers
/* */ {
/* */ private int[] elements;
/* */ private int size;
/* */ public static final int DEFAULT_CAPACITY = 16;
/* */
/* */ public StackOfIntegers() {
/* 10 */ this(16);
/* */ }
/* */
/* */
/* */ public StackOfIntegers(int capacity) {
/* 15 */ this.elements = new int[capacity];
/* */ }
/* */
/* */
/* */ public void push(int value) {
/* 20 */ if (this.size >= this.elements.length) {
/* 21 */ int[] temp = new int[this.elements.length * 2];
/* 22 */ System.arraycopy(this.elements, 0, temp, 0, this.elements.length);
/* 23 */ this.elements = temp;
/* */ }
/* */
/* 26 */ this.elements[this.size++] = value;
/* */ }
/* */
/* */
/* */ public int pop() {
/* 31 */ return this.elements[--this.size];
/* */ }
/* */
/* */
/* */ public int peek() {
/* 36 */ return this.elements[this.size - 1];
/* */ }
/* */
/* */
/* */ public boolean empty() {
/* 41 */ return (this.size == 0);
/* */ }
/* */
/* */
/* */ public int getSize() {
/* 46 */ return this.size;
/* */ }
/* */ }
/* Location: /Volumes/TXS.128G/hope useful/practice/2020.jar!/ch10/StackOfIntegers.class
* Java compiler version: 8 (52.0)
* JD-Core Version: 1.1.3
*/