Page 617 - Computer science 868 Class 12
P. 617

7       size=i;
                   8       top=-1;

                   9       s=new int[size];
                   10      }
                   11      void pushitem(int val)

                   12      {

                   13      if(top<size-1)
                   14      {
                   15      top++;

                   16      s[top]=val;
                   17      }

                   18      else
                   19      {

                   20      System.out.println("ERROR:Stack Overlook");
                   21          }

                   22      }
                   23      int popitem()

                   24      {
                   25      if(top==-1)

                   26      {
                   27      int m=-9999;

                   28      return m;
                   29      }

                   30      else
                   31      {

                   32      int j=s[top];
                   33      s[top]=0;

                   34      top--;
                   35      return     j;
                   36          }

                   37      }

                   38      void printstack()
                   39      {
                   40      System.out.println("STACK");





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