Exercise v3.0

×

×

Correct!

Return the index (position) of the first occurrence of "e" in the following string:

String txt = "Hello Everybody"; System.out.println(txt.@(7)(@(3)));

String txt = "Hello Everybody"; System.out.println(txt.indexOf("e"));

Not Correct

Click here to try again.

Correct!

Go to w3schools.com

Reset Score

Close This Menu

Java Syntax

Exercise 1 Exercise 2 Go to Java Syntax Tutorial

Java Variables

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Go to Java Variables Tutorial

Java Data Types

Exercise 1 Exercise 2 Exercise 3 Go to Java Data Types Tutorial

Java Operators

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Go to Java Operators Tutorial

Java Strings

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Exercise 6 Go to Java Strings Tutorial

Java Math

Exercise 1 Exercise 2 Exercise 3 Go to Java Math Tutorial

Java Booleans

Exercise 1 Exercise 2 Go to Java Booleans Tutorial

Java If...Else

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Go to Java If...Else Tutorial

Java Switch

Exercise 1 Exercise 2 Go to Java Switch Tutorial

Java Loops

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Exercise 6 Go to Java Loops Tutorial

Java Arrays

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Exercise 6 Go to Java Arrays Tutorial

Java Methods

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Go to Java Methods Tutorial

Java Classes/Objects

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Exercise 6 Exercise 7 Exercise 8 Go to Java Classes/Objects Tutorial

Java Exceptions

Exercise 1 Exercise 2 Go to Java Exceptions Tutorial

×

Reset the Score?

This will reset the score of ALL 59 exercises.

Are you sure you want to continue?

×

Congratulations!

You have finished all 59 Java exercises.

Share your score: