This category contains Java basic tutorials
In this tutorial, we will learn about static keyword in Java. The main motive of the static keyword in Java is memory management. We can use static keyword with variable, method and block. An important thing to know that a static method, variable and block can be used without creating an object of the class. Static Variable: To make […]
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In this tutorial, we will learn about String in Java. Some students think String is a primitive data type like int or char but In java String is a very smart and immutable class which is part of java.lang package. When we right a char sequence it represents the object of String class. Check the following example to
In this tutorial, we will learn about Methods in Java. A method is a small piece(block) of code which can perform some special task and it only executes when we call this method. The method allows us to reuse code. Here we will learn how to create a Method and How to call a method in
In this tutorial, we will learn about Arrays in Java. Till now we learned about variables. We know in a variable we can store a value, for example, int num=10; Here num is variable of int type in which we can store an integer value. but suppose you want to store 100 values. It means you should
In this tutorial, we will learn about Comments in Java. Comments are not used to perform any function in the program but they are really useful for developers. Developers can write comments with variables and Methods to remember their working (purpose) in the program. One important thing to mention comments doesn’t put any impact on the
In this tutorial, we will learn about Constructor in Java. The constructor looks exactly the same as a normal method but there is some difference between constructor and method check these: The contractor has no explicit return type Name of constructor would same as class name We can not make a constructor abstract, static, final, and
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In this tutorial, we will learn about Class and Object in Java. We are using the class keyword from our very first tutorial of this series. As we learned in previous tutorials Java is an Object-Oriented programming language. It means we can not write anything(variables and methods) outside the scope of the class. Class is a
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In this tutorial, we will learn about Jumping statements in Java. Jumping statements are also part of control statements in Java. Jumping statements are used to send execution control to a specific statement in Java. Here we will learn three jumping statements in Java. break continue return break statement: Break statement is used to break the normal
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In this tutorial, we will learn about Looping Statements in Java. Looping Statements helps us to run a piece of code several times. Suppose you want to increment the value of a variable 100 times it means you have to write increment operator with that variable 100 times. Which would just increase workload. but with the help
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In this tutorial, we will learn about Branching Statements in Java. Branching Statements help us set the program's flow according to our requirements. Suppose you want to execute a piece of code only in case of a particular situation. Then in this kind of situation, you can use branching statements to control the flow of the
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