If you need to readjust the execution of the regimen based upon a specific condition you can usage “if” statements. The relational operators identify the partnership that one operand also has to the other. Specifically, they identify ehigh quality condition. Java offers six relational operators, which are listed in below table.

Operator DescriptionExample (a=10, b=15)Result
==Ehigh quality operatora==bfalse
!=Not Equal to operatora!=btrue
>Greater thana>bfalse
=Greater than or equal toa>=bfalse
Here, the problem is a Boolean expression. If the condition is true, then the statement is executed. If the condition is false, then the statement is bypassed. For example, mean you have actually declared an integer variable named someVariable, and also you desire to print a message when the value of someVariable is 10. Flow chart and java code of the operation looks choose below,


if (someVariable ==10)System.out.println("The Value is 10”);

We can have various spices of if statements.

Nested if blocks:

A nested if is an if statement that is the taracquire of another if or else. In other terms, we deserve to think about one or multiple if statement within one if block to examine various problem. For instance, we have 2 variables and desire to inspect particular problem for both we deserve to usage nested if blocks.

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Java Code:Go to the editor

public class NestedIfDemo public static void main(String<> args) int a =10;int b =5;if(a==10)if(b==5)System.out.println("Inside Nested Loop");if –else if ladder:

We could obtain a situation wbelow we have to inspect value multiple times to uncover exact matching condition. Below regimen explains the exact same point. Let’s view we have a requirement to check if the variable value is much less than 100, equal to 100 or even more than 100. Below code explains the same logic utilizing if-else-if ladder.

Java Code:Go to the editor

public class IfelseLadderDemo public static void main(String<> args) int a =120;if(a100)System.out.println("Variable is higher than 100");Output:


Let’s take an example to understand also over logical operators and also conditional statements. We have actually a necessity to print cause a grade based upon marks gone into by the user. We are taking input from an user at runtime and evaluate grades. This program also validays input and prints appropriate message if the input is an adverse or alphabetic entry.

Java Code: Go to the editor

import java.util.Scanner;public course GradeCalculation public static void main(String<> args) int marks=0;try//Scanner course is wrapper class of objectScanner inputDevice = new Scanner(;System.out.print("Please enter your Marks (in between 0 to 100) >> ");marks = inputDevice.nextInt();//Checking input validity and also grade based on input valueif(marks100)System.out.println("Marks can not be even more than 100: Your entry= "+ marks );else if (marks>0 & marks=35 & marks =50 & marks =60 & marks =70 & marks =80 & marks =90)System.out.println("One of the finest performance, Your grade is A+");catch (Exception e)//This is to manage non-numeric valuesSystem.out.println("Invalid entry for marks:" );Outputs based upon customers input :


Short-Circuit Logical Operators

Java offers 2 amazing Boolean operators not uncovered in many kind of various other computer languperiods. These are secondary versions of the Boolean AND and also OR operators and also are known as short-circuit logical operators. Two short-circuit logical operators are as complies with,

&& short-circuit AND|| short-circuit OR

They are offered to connect little boolean expressions together to develop bigger boolean expressions. The && and also || operators evaluate only boolean worths. For an AND (&&) expression to be true, both operands have to be true. For example, The listed below statement evaluates to true because of both operand one (2 The short-circuit feature of the && operator is so named bereason it does not waste its time on pointless evaluations. A short-circuit && evaluates the left side of the procedure first (operand one), and also if it resolves to false, the && operator does not bother looking at the right side of the expression (operand also two) since the && operator currently knows that the complete expression can not probably be true.

The || operator is similar to the && operator, except that it evaluates to true if EITHER of the operands is true. If the initially operand in an OR operation is true, the result will be true, so the short-circuit || does not waste time looking at the best side of the equation. If the first operand is false, however, the short-circuit || has to evaluate the second operand also to view if the result of the OR operation will certainly be true or false.

Java Code: Go to the editor

public class ShortCircuitOpDemo public static void main(String<> args) Output:


Ternary Operator (or ? Operator or Conditional Operator)

The conditional operator is a ternary operator (it has actually 3 operands) and is used to evaluate boolean expressions, much like an if statement other than instead of executing a block of code if the test is true, a conditional operator will certainly assign a value to a variable. A conditional operator starts with a boolean procedure, adhered to by two feasible values for the variable to the left of the assignment (=) operator. The initially value (the one to the left of the colon) is assigned if the conditional (boolean) test is true, and the second value is assigned if the conditional test is false. In below example, if variable a is much less than b then tje variable x value would be 50 else x =60.


listed below example, we are deciding the status based upon user input if pass or failed.

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Java Code:Go to the editor

import java.util.Scanner;public class TernaryOpDemo public static void main(String<> args) //Checking if marks higher than 35 or notString status;int marks;Scanner inputDevice = brand-new Scanner(;System.out.print("Please enter your Marks (in between 0 to 100) >> ");marks = inputDevice.nextInt();status= marks>=35 ?"You are Passed":"You are failed";System.out.println("Status= " + status);Outputs based upon individuals input :



Java provides 6 conditional operators == (equality), > (better than), =(better or equal), The relational operators are the majority of typically used to manage the circulation of routine.Short-Circuit logical operators are && and also ||The ternary operator is one which is comparable to if else block yet which is used to asauthorize worth based on problem.

Java Code Editor: