New to Java

[vijayraj34]

hi,
am new to java, i wrote a simple hello world program in eclipse.
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lachu.java
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Code:

public class lachu {
    public static void main(String[] args){
    System.output.println("This program displays the name lachu ;-)");    
    }
    
}

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but after running its shows an error

"Error: Could not find or load main class lachu"
please any 1 tell me what should i do.