package test; class Test { } ---------------- package test; class SubTest extends Test{ } Does this code compile without errors if the classes are in separate files?

What will be the output of the program? public class Foo { public static void main(String[] args) { try { return; } finally { System.out.println( "Finally" ); } } }

How can we use the class or jar files kept on the network path, within our projects?

What will below method return? public foo(){ int x = 5; return x; }

What is the output of the below code ? int a = 0; int b = 0; if (a++ == 1 || b++ == 1) {} System.out.println(a + " " + b);

How should you create a new class that maps keys to values, using the Java Collections Framework?

Which code fragments correctly create and initialize a static array of int elements?

What is the output of the following program? import java.lang.reflect.Method; class TestImpl { public void method() {} public static void main(String[] args) { Method method = TestImpl.class.getMethod("method", null); System.out.println(method.getName()); } }

I would implement a LRU cache using only JDK classes by...

Which two are valid constructors for Thread? 1. Thread(Runnable r, String name) 2. Thread() 3. Thread(int priority) 4. Thread(Runnable r, ThreadGroup g) 5. Thread(Runnable r, int priority)

The TreeMap class is Java's implementation of which data structure?