/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String test1 = "";
		A test2 = new A();
		int test3 = 3;
 
		System.out.println(isJavaLang(test1));
		System.out.println(isJavaLang(test2));
		System.out.println(isJavaLang(test3));
	}
 
	public static boolean isJavaLang(Object check) {
		return check.getClass().getName().startsWith("java.lang");
	}
 
	static class A {
 
	}
}

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