Object Oriented Programming Through Java by Pearson

Usage of Try and Catch Blocks: Exception Handling Mechanism 7.5

7.5 Usage of Try and Catch Blocks: Exception Handling Mechanism

Java raises an exception object. For it to do so, we need to use a try block, wherever we expect

likely exception. Catch block that follows the try block catches the exception object and takes

remedial action.

Example 7.1:  Use of Try and Catch Block. Allocation of Memory for a Two- dimensional

Matrix

1. package com.oops.chap7;

2. import java.util.*;

3. class MatrixAlloc {

4. void ReadMat(int A[][],int rows, int cols){

5. //input matrix related data using scanner

6. Scanner scn=new Scanner(System.in);

7. for ( int i=0;i<rows;i++) ...