Created
March 3, 2019 03:26
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public class Stack { | |
static final int max = 5; | |
int[] stack = new int[max]; | |
int top; | |
Stack(){ | |
top = 0; | |
} | |
int pop(){ | |
try{ | |
return stack[--top]; | |
}catch(Exception e){ | |
System.out.println("Cannot pop anymore!"); | |
return -1; | |
} | |
} | |
void push(int num){ | |
if(top<max){ | |
stack[top++] = num; | |
}else{ | |
System.out.println("Elements cannot be added!"); | |
} | |
} | |
boolean isStackFull(){ | |
if(top>=max-1){ | |
return true; | |
}else{ | |
return false; | |
} | |
} | |
} | |
public class StackImplementation { | |
public static void main(String[] args){ | |
Stack stack = new Stack(); | |
System.out.println( (stack.pop()==-1) ? "Empty Stack!" : "Not Empty!" ); | |
stack.push(30); | |
System.out.println(stack.pop()); | |
} | |
} |
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