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Throws Keyword In Java






Purpose






  1. IndexOutOdBoundsException
  2. ArrayStoreException
  3. NullPointerException
  4. Picture showing the different types of exceptions thrown by System.arraycopy() method

    Click to Enlarge





Syntax


Return_type method_name() throws Exception1,
Exception2 {}



Example


package com.ParveenTest;

import java.io.FileNotFoundException;

public class Test {
  public static void main(String[] args) {

    try {
      TestClass obj = new TestClass();
      obj.ReadFile();
    }
    catch(Exception e) {
      System.out.println("File not found");
    }
  }

  public static class TestClass {
    public void ReadFile() throws FileNotFoundException {
      throw new FileNotFoundException();
    }
  }
}



Output


Picture showing the File not found exception thrown in Java

Click to Enlarge


Posted By  -  Karan Gupta
 
Posted On  -  Wednesday, November 29, 2017

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