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Stacks.java
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92 lines (50 loc) · 1.64 KB
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/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package DS;
/**
*
* @author Dell
*/
public class Stacks {
public Stacks(){}
static int high = -1;
//peeking the top of the stack
public static int top(int A[]){
return high - 1;
}
//pushing at the top of the stack
public static String push(int e,int[] A){
if(high < A.length - 1){
A[high + 1] = e;
high = high + 1;
return "Successfully pushed the element";
}
else{
return "Unsuccessful";
}
}
//popping an element
public static int pop(int[] A){
//to check if the base element of array is not null
if(A.length == 0){
return 0;
}
else{
int popped = 0;
if(high >= 0){
popped = A[high];
high = high - 1;
}
return popped;
}
}
//printing the elements in the stack.
public static void print(int[] A){
for(int i = 0 ; i <= high ; i++){
System.out.println(A[i]);
}
}
}