Answer / ajay

class A
{
public static void main(String args[])
{
int[] a1={1,2,3,4};
int[] a2=new int[9];

a2[0]=5; a2[1]=6; a2[2]=7; a2[3]=8; a2[4]=9;

for(int i=8;i>=4;i--)
a2[i]=a2[i-4];

for(int i=0;i<=3;i++)
a2[i]=a1[i];


for(int i=0;i<=8;i++)
System.out.println(a2[i]);

}
}

Answer / surjeet gangwar

import java.util.*;
class arrtest
{
int[][] a=new int[3][3];
int[][] b={{1,1,1},{1,1,1},{1,1,1}};

public arrtest()
{
Scanner sc=new Scanner(System.in);
System.out.println("Enter the matrix:\n");
for(int i=0;i<3;i++)
for(int j=0;j<3;j++)
a[i][j]=sc.nextInt();
}

void oper()
{
for(int i=0;i<3;i++)
for(int j=0;j<3;j++)
if(a[i][j]==0)
for(int k=0;k<3;k++)
{
b[i][k]=0;
b[k][j]=0;
}
}

void print()
{
System.out.println(" the matrix:\n");
for(int i=0;i<3;i++)
{ for(int j=0;j<3;j++)
System.out.print("\t"+b[i][j]);

System.out.println("\n");
}
}
}
class arrdemo
{
public static void main(String a[])
{
arrtest at=new arrtest();
at.oper();
at.print();
}
}

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