JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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Built-in Java Annotations: @SuppressWarnings example


Description:

Incase if you don't want to get any warnings from compiler for the known things, then you can use @SuppressWarnings annotation. For example, you are calling deprecated method, and you know that it is deprecated, to avoid compiler warnings, user @SuppressWarnings annotation.


Code:
package com.java2novice.annotations;

public class MyDeprecatedExmp {
	
	@Deprecated
	public void showDeprecatedMessage(){
		System.out.println("This method is marked as deprecated");
	}
	
	@SuppressWarnings("deprecation")
	public static void main(String a[]){
		
		MyDeprecatedExmp mde = new MyDeprecatedExmp();
		mde.showDeprecatedMessage();
	}
}
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Java class can be private?
We can not declare top level class as private. Java allows only public and default modifier for top level classes in java. Inner classes can be private.
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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java is registered trademark of Oracle.
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