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// This class defines an integer stack that can hold 10 values.

class Stack {int stck[] = new int[10]; int tos;

// Initialize top-of-stack
Stack() {
tos = -1;
}

// Push an item onto the stack void push(int item) {if(tos==9) System.out.println("Stack is full."); else stck[++tos] = item; }

// Pop an item from the stack int pop() {

if(tos < 0) { System.out.println("Stack underflow."); return 0;

}
else
return stck[tos--];
}
}

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ÏÂÃæʾÀýµÄÀàTestStack£¬ÑéÖ¤ÁËStackÀà¡£¸ÃÀà²úÉúÁ½¸öÕûÊý¶ÑÕ»£¬½«Ò»Ð©Öµ´æÈ룬Ȼºó½«ËüÃÇÈ¡³ö¡£

class TestStack {

public static void main(String args[]) {
Stack mystack1 = new Stack();
Stack mystack2 = new Stack();

// push some numbers onto the stack
for(int i=0; i<10; i++) mystack1.push(i);
for(int i=10; i<20; i++) mystack2.push(i);

// pop those numbers off the stack
System.out.println("Stack in mystack1:");
for(int i=0; i<10; i++)

System.out.println(mystack1.pop());

System.out.println("Stack in mystack2:");
for(int i=0; i<10; i++)
System.out.println(mystack2.pop());
}
}

¸Ã³ÌÐò²úÉúµÄÊä³öÈçÏ£º

Stack in mystack1:
9
8
7
6
5
4
3
2
1
0
Stack in mystack2:
19
18
17
16

15
14
13
12
11
10

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