Recent questions in Java

A standard Java API for monitoring and managing applications isJVMJVNJMXJMY 

Java Virtual Machine $\text{(JVM)}$ is used to execute architectural neutral byte code. Which of the following is needed by the $\text{JVM}$ for execution of Java Code?C...

Which of the following construct is not supported by Java Server Pages?$\text{JSP}$ Directives$\text{JSP}$ Scriptlets$\text{JSP}$ Actions$\text{JSP}$ Reaction

What is the output of the following program?abstract class sum { public abstract int sumOfTwo(int n1, int n2); public abstract int sumOfThree(int n1, int n2, int n3); pub...

The static keyword is used in public static void main() declaration in Java:To enable the $\text{JVM}$ to make call to the main(), as class has not been instantiatedTo en...

Which of the following Interface is not supported by $\text{JDBC}$ for connecting to Database in Java Programming language?Statement InterfacePrepared Statement Interface...

In the given program:class Dialog1 { public static void main(String args[]) { Frame f1=new Frame("INDIA"); f1.setSize(300,300); f1.setVisible(true); FileDialog d=new File...

Which of the following are two main types of overloading in Java?Overloading and linkingOverriding and linkingReusability and data-hidingOverloading and Overriding

In Java, for ensuring the persistence property, the class must implements:Serializable InterfaceUtilization InterfaceThreadable InterfaceRecognizable Interface

In Java, the Dynamic Array are known as :VectorsCycleRemoteKubernotos

Is null an object?YesNoSometimes yesNone of these

Earlier name of Java programming language was:OAKDNetbeanEclipse

Which of the following is a platform free language?JAVACAssemblyFortran

Which of the following is/are true about packages in Java? Every class is part of some package.All classes in a file are part of the same package.If no package is specif...

Which of the following is false about abstract classes in Java?If we derive an abstract class and do not implement all the abstract methods, then the derived class should...

Which of the following is true about interfaces in Java? An interface can contain following type of members. $\dots$ public, static, final fields(i.e., constants)$\dots$...

What is the output of the following JAVA program?public class Good { private int m; public Good (int m){this.m=m;} public Boolean equals (Good n) {return n.m==m;} public ...

What does the following Java function perform? (Assume int occupies four bytes of storage)public static int f(int a) { // Pre-conditions : a 0 and no oveflow/underflow o...

What is the output of the following JAVA program?class simple { public static void main(String[ ] args) { simple obj = new simple(); obj.start(); } void start() { long []...