String Handling

The String class is defined in the java.lang package and hence is implicitly available to all the programs in Java. The String class is declared as final, which means that it cannot be subclassed. It extends the Object class and implements the Serializable, Comparable, and CharSequence......
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A Closer Look at Methods

A method is a set of statements grouped together to perform a specific task. It is written to define the behavior of an object or a class. In object-oriented programming, a behavior is referred to as a message that one object sends to another object. Behavior is the only way by which an object......
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Arrays

Introduction An array is a fixed length data structure that stores multiple values of the same data type. A Java array is a collection of primitive types, object references, or references to other arrays. An individual value stored in an array is called an element of array. An array can......
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Constructors

A constructor is a special kind of method that is written as a part of a class. It provides a convenient way to initialize a newly created object at the time of its creation. Once a constructor is defined for a class, it is called automatically immediately after the creation of a new object,......
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Control Statements in Java

A program is a group of statements that are executed to achieve a predetermined task. Statements in a program are generally executed in a sequential manner, which is called sequential execution or sequential control flow. However, by putting the decision-making statement in the program, the......
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Interfaces

In Java, a class can have at the most one immediate superclass. Multiple inheritance , where a class has more than one superclass, is not allowed in Java. However, one cannot ignore the importance of multiple inheritance because a large number of real-life applications require the use of......
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Modifiers

Modifiers are Java keywords that are used to declare features in applications. They affect either the lifetime or the accessibility of a feature. A feature may be a class, a method, or a variable. Modifiers that affect the visibility of a feature are called access modifiers or visibility......
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The Math class

The Math class is one of the classes defined in the java.lang package. It extends the java.lang.Object class and is declared as final. It contains a set of static methods for performing common mathematical functions that include rounding numbers, finding the maximum or minimum of two numbers,......
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