contribute_ur_code/JAVA/StacksJava/StackApp.java at 25b7d06ba05b11f070496cc4e93851fe05b3b96e · infiniteoverflow/contribute_ur_code · GitHub

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package Java.StacksJava;

public class StackApp {
    private long[] stackArray;
    private int maxSize;
    private int top;

    public StackApp(int s) {
        maxSize = s;
        stackArray = new long[maxSize];
        top = -1;
    }

    public void push(long i) {
        stackArray[++top] = i;
    }

    public long peek() {
        return stackArray[top];
    }

    public long pop() {
        return stackArray[top--];
    }

    public boolean isEmpty() {
        return (top == -1);
    }

    public boolean isFull() {
        return (top == maxSize - 1);
    }

    public void display() {

        for (int i = 0; i <= top; i++) {
            System.out.print(stackArray[i] + " ");
        }
        System.out.println("");

    }
}