How to write if statements in java

How do you write if statements in Java?

Java has the following conditional statements:

  1. Use if to specify a block of code to be executed, if a specified condition is true.
  2. Use else to specify a block of code to be executed, if the same condition is false.
  3. Use else if to specify a new condition to test, if the first condition is false.

How do you write multiple If statements in Java?

nested if statement in java

  1. Syntax. The syntax for a nested if…else is as follows − if(Boolean_expression 1) { // Executes when the Boolean expression 1 is true if(Boolean_expression 2) { // Executes when the Boolean expression 2 is true } } …
  2. Example. Live Demo. …
  3. Output. X = 30 and Y = 10.

How do you write an if statement?

Use the IF function, one of the logical functions, to return one value if a condition is true and another value if it’s false. For example: =IF(A2>B2,”Over Budget”,”OK”) =IF(A2=B2,B4-A4,””)

Why do we use if statements in Java?

The Java if statement is the most simple decision-making statement. It is used to decide whether a certain statement or block of statements will be executed or not i.e if a certain condition is true then a block of statement is executed otherwise not. Control falls into the if block.

What are the 2 types of iteration?

There are two types of iteration: Count-controlled loops – used for iterating steps a specific number of times. It is used when the number of iterations to take place is already known.

What is if and if else statement?

if statement – executes some code if one condition is true. if…else statement – executes some code if a condition is true and another code if that condition is false. if… elseif…else statement – executes different codes for more than two conditions.

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What is print () in Java?

print(): print() method in Java is used to display a text on the console. This text is passed as the parameter to this method in the form of String. This method prints the text on the console and the cursor remains at the end of the text at the console. The next printing takes place from just here.

What is nested IF statement?

A nested if in C is an if statement that is the target of another if statement. Nested if statements means an if statement inside another if statement. Yes, both C and C++ allows us to nested if statements within if statements, i.e, we can place an if statement inside another if statement.

What does == mean in Java?

equality operator

What is an example of an if statement?

Below is a general example of an if statement, not specific to any particular programming language. … if (X < 10) { print “Hello John”; } In the example above, if the value of X were equal to any number less than 10, the program displays, “Hello John” when the script is run.

How do you write an if statement in HTML?

The <! –[if IE]> syntax only works in Internet Explorer. You’ll need to use javascript or css to conditionally display html in other browsers. Other than that, you cannot use if statements in HTML, as it is a markup language and not a programming language.

How do I do an if statement in SQL?

IF… Else statement

  1. If the condition evaluates to True, then T-SQL statements followed by IF keyword will be executed.
  2. If the condition evaluates to False, then T-SQL statements followed by ELSE keyword will be executed.
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What is Elif in Java?

Elif is a truncation of else if – a condition statement. … This is the same as the else if statement in Java. example: if(condition1){ //code to be executed if condition1 is true.

What is scanner in Java?

Scanner is a class in java. util package used for obtaining the input of the primitive types like int, double, etc. and strings. It is the easiest way to read input in a Java program, though not very efficient if you want an input method for scenarios where time is a constraint like in competitive programming.

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