Java strings are created and manipulated through the string class. Once created, a string is immutable -- its value cannot be changed. A string is sequence of characters. A class is a user-defined ...

Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

Java gives you the ability to dynamically create strings. Even after you set the string value, you can add more characters to the string value throughout the code. This process lets you build a ...

class Simpson { String name; } What do you think the simpson.name will be after the transformIntoHomer method is executed? In this case, it will be Homer! The reason is that Java object variables ...

When no explicitly defined constructors exist, Java's virtual machine makes object creation possible by providing a default constructor to developers who want to create instances of the class in their ...

System.out.println(s); //.....literal s and a is store in String constant memory String a="ram"; //.....its immutable so it not change bcs both variable same object ...