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Explain Testing for Equality with equals?
That's not what you expected. To contrast strings or any other kind of object you required to use the equals(Object o) techniques from java.lang.String. Below is a corrected version in which works as expected. The purpose for this odd behavior goes fairly deep within Java and the nature of object data types such as strings. class JackAndJill {
public static void main(String args[]) {
String s1 = new String("Jack went up the hill."); String s2 = new String("Jack went up the hill.");
if ( s1.equals(s2) ) { System.out.println("The strings are the same."); } else { System.out.println("The strings are not the same."); } }}
Struts components can be classify into Model, View and Controller: ? Model: Components like business logic /business processes and data are the type of model. ? View: HTML, J
Prototype is having multiple instances or having clone.
How are this () and super() used with constructors? this() Constructors: is used to pointing current class instance. Can be used with methods or variables. Used to call
Action mapping having all the deployment information for a particular Action bean. This class is to verify where the results of the Action will be sent once its processing is done.
Q. Write short on the method over ridding method in java? Ans. Method over ridding and dynamic binding: We have seen that a method in a super class is inherited by its subclass
list The Java Class Library? Java holds an extensive library of pre-written classes you can use in your programs. These classes are separated into groups known as packages. Th
What is a variable in Java program? It's a memory location. Memory location is given some name. Memory location is being assigned some value. Value may change o
write a program in java which enters name,roll #,and shows the sum of students english and maths marks?
What do you mean by a task's priority and how can we use it in scheduling ?
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