Demo of IllegalArgumentException | java.lang package

Figure1

Class Hierarchy:

IllegalArgumentException is a class present in java.lang.* package and has following class hierarchy.

Figure2

Description: 


Thrown to indicate that a method has been passed an illegal or inappropriate argument.

Since:

JDK1.0

Example:

	package com.javamultiplex.java.lang.exceptions;
	/**
	* @author Rohit Agarwal
	* @version 1.0
	* @category java.lang/Exception
	* @since JDK 1.0
	*/
	class MyThread implements Runnable {
	@Override
	public void run() {
	System.out.println(Thread.currentThread().getName());
	}
	}
	public class IllegalArgumentExceptionDemo {
	public static void main(String[] args) {
	MyThread thread = new MyThread();
	Thread th = new Thread(thread);
	/*
	* IllegalArgumentException will be thrown because Thread priority can
	* be 1 to 10.
	*
	* Thread.MIN_PRIORITY is equivalent to 1 Thread.MAX_PRIORITY is
	* equivalent to 10 Thread.NORM_PRIORITY is equivalent to 5
	*/
	th.setPriority(11);
	th.start();
	}
	}

view raw IllegalArgumentExceptionDemo.java hosted with ❤ by GitHub

Output:

Figure3

References:

https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html

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