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1 public class ArrayListTraversal { 2 public void arrayListTraversal(List<Integer> lists){ 3 /* 第一种遍历方式 */ 4 System.out.print("for循环的遍历方式:"); 5 for (i 阅读全文
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1 public class Test2 { 2 public void add(Byte b) { 3 b = b++; 4 } 5 6 public void test() { 7 Byte a = 127; 8 Byte b = 127; 9 add(++a); 10 System.out.p 阅读全文
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1 public class Test3 { 2 public static void main(String[] args) { 3 int x = 0; 4 int y = 0; 5 int k = 0; 6 for (int z = 0; z < 5; z++) { 7 if ((++x > 阅读全文
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public class Test { public int add(int a, int b) { try { return a / b; } catch (Exception e) { System.out.println("catch语句块"); } finally { System.out. 阅读全文
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情况一:没有继承父类时 1 class HelloA { 2 3 public HelloA() { 4 System.out.println("I'm A class"); 5 } 6 7 static { 8 System.out.println("static A"); 9 } 10 11 { 阅读全文
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1 public class ReverseString { 2 3 /** 4 * 字符串指定逆置 5 * 6 * @param str 7 * 字符串 8 * @param start 9 * 开始下标 10 * @param end 11 * 结束下标 12 * @return chsr数组 阅读全文
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1 public class Stack { 2 private final int INIT_SIZE = 10; 3 private int size = 0; 4 private int[] array; 5 6 public Stack() { 7 array = new int[INIT_ 阅读全文
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1 public class ArrayList { 2 private final int MAXSIZE = 10; 3 private int[] arrays; 4 private int size = 0; 5 6 public ArrayList() { 7 arrays = new i 阅读全文