safestack.java

来自「实例精华」· Java 代码 · 共 23 行

public class SafeStack implements StackInterface{
  private int top = 0;
  private int[] values = new int[10];
  public void push(int n) {
  	synchronized(this)
  	{
	    	values[top] = n;
	  	System.out.println("压入数字"+n+"步骤1完成");
	    	top++;
	  	System.out.println("压入数字完成");
	}	
  }

  public int[] pop() {
  	synchronized(this)
  	{
	  	System.out.print("弹出");
	  	top--;
	    	int[] test = {values[top],top};
	    	return test;
    	}
  }
}