How to use if statements in java

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,””)

How do you write an if statement for a string in Java?

If all the contents of both the strings are same then it returns true. If any character does not match, then it returns false.

Compare two Strings in Java

  1. if (string1 > string2) it returns a positive value.
  2. if both the strings are equal lexicographically. …
  3. if (string1 < string2) it returns a negative value.

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.

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 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.

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What are the 3 arguments of the IF function?

There are 3 parts (arguments) to the IF function:

  • TEST something, such as the value in a cell.
  • Specify what should happen if the test result is TRUE.
  • Specify what should happen if the test result is FALSE.

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.

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 difference between == equals () and compareTo () method?

equals() checks if two objects are the same or not and returns a boolean. compareTo() (from interface Comparable) returns an integer. It checks which of the two objects is “less than”, “equal to” or “greater than” the other. … Note that equals() doesn’t define the ordering between objects, which compareTo() does.

How do you compare two variables in Java?

The right way of comparing String in Java is to either use equals(), equalsIgnoreCase(), or compareTo() method. You should use equals() method to check if two String contains exactly same characters in same order. It returns true if two String are equal or false if unequal.

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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 is else if?

Definition and Usage. The if/else statement executes a block of code if a specified condition is true. If the condition is false, another block of code can be executed. The if/else statement is a part of JavaScript’s “Conditional” Statements, which are used to perform different actions based on different conditions.

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