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addm.java
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addm.java
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import java.io.*;
class addm
{
public static void main(String[] args) throws IOException
{
BufferedReader x = new BufferedReader(new InputStreamReader(System.in));
int a[][]=new int[3][3];
int b[][]=new int[3][3];
System.out.print("\ninput array a :");
for(int i=0;i<3;i++)
{
for(int j=0;j<3;j++)
a[i][j]=Integer.parseInt(x.readLine());
}
System.out.print("\ninput array b :");
for(int i=0;i<3;i++)
{
for(int j=0;j<3;j++)
b[i][j]=Integer.parseInt(x.readLine());
}
System.out.print("\nenter the choice +/-");
char ch=(char)x.read();
switch(ch)
{
case '+':
for(int i=0;i<3;i++)
{
for(int j=0;j<3;j++)
{
System.out.print(" "+(a[i][j]+b[i][j]));
}
System.out.println();
}
break;
case '-':
for(int i=0;i<3;i++)
{
for(int j=0;j<3;j++)
{
System.out.print(" "+(a[i][j]-b[i][j]));
}
System.out.println();
}
break;
default:
System.out.print("worng input");
}
}
}