When using if, else if, else statements there are a few points to keep in mind. If not present, the function does not return a value. In this quick article, we will learn Java if statement and different types of if statement in Java, which is used to test the condition. Parameters. Loops are used to repeat a piece of code, whereas an if/else is executed only once. The return statement returns a value and exits from the current function. This is followed by an else statement. Implemented in JavaScript 1.0. It executes the if block if a condition is true otherwise else block, is executed. No.. return statement will only return value. "The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. The Java if-else statement also tests the condition. Giraffe Academy is rebranding! return expression . A method can return a value or reference type or does not return a value. An if can have zero or one else's and it must come after any else if's. Also, you shouldn't refer to an if/else statement as a loop; it is a conditional statement. Solution. We can solve it by using two ways, either add return statement in the code or set return type as void in the method signature. It checks boolean condition: true or false. I've decided to re-focus the brand of this channel to highlight myself as a developer and teacher! If the condition of the if-statement is true then the code inside the if-statement executes, otherwise, the else statement is executed. It will not print anything. expression: The expression to return. If statement Java’s Selection statements: if; if-else; nested-if; if-else-if; switch-case; jump – break, continue, return; These statements allow you to control the flow of your program’s execution based upon conditions known only during run time. When we write a return statement inside a for/while/if statement, and one of the path of the program execution does not return a value, we get the Missing return statement value. Syntax. If you want to print, store the returned value in a variable and print the variable or print the returned value directly. In this tutorial, we will see four types of control statements that you can use in java programs based on the requirement: In this tutorial we will cover following conditional statements: a) if statement b) nested if statement c) if-else statement d) if-else-if statement. if: if statement is the most simple decision making statement. Java if-else statement is known as if/then else statement where we have conditions specified under the if-statement. Reason 2: One of the paths of the program execution does not return a value. Version. An if statement can be followed by an optional else if...else statement, which is very useful to test various conditions using single if...else if statement. If a method declare to return a value, then it must use the return statement within the body of method. If a method does not return a value, the method must be declared void and it doesn’t need to contain a return statement. After that, we can use them either in the nested if statements or switch case statements. See the examples below, wherein the first example we have added the return statement. That would reduce the number of nested if statements as well and delegate the responsibility to individual Enum values. Alternatively, we can also use them as a factory of objects and strategize them to perform the related business logic. We have also added another method getAbsolute2() and returned void from it in case we don’t want to return anything from the method. Q #3) What does == mean in Java? 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