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java.lang.NoClassDefFoundError: TestZone/java

Chandramouli k
Last Modified: 2013-11-23
checked java -version and javac -version and found no issues. infact i just created Test class and found printing hello successfully.

but not able to execute - java TestZone

Any clues?
import java.util.*; 
import java.util.TimeZone; // this have included after getting error but still no luck :(
public class TestZone { 
    public static void main(String[] args) {
        String[] ids = TimeZone.getAvailableIDs();
	if(args != null)

        for(int i = 0; i < ids.length; i++) {
            System.out.println("ID " + i + " " + ids[i]);

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