How do you return a Boolean value in Java?

Java Boolean equals() method The equals() method of Java Boolean class returns a Boolean value. It returns true if the argument is not null and is a Boolean object that represents the same Boolean value as this object, else it returns false.

How do you return a string in a boolean method?

toString(boolean b) returns a String object representing the specified boolean. If the specified boolean is true, then the string “true” will be returned, otherwise the string “false” will be returned.

What does a boolean method return?

The boolean method converts the value of object1 to Boolean, and returns true or false.

How do you pass a Boolean value as a parameter in Java?

In Java all parameters are passed by reference, even Strings and booleans! boolean newb = true ; b = newb; then the reference to the object b is changed to a new object.

How do you return a value from a method?

You declare a method’s return type in its method declaration. Within the body of the method, you use the return statement to return the value. Any method declared void doesn’t return a value. It does not need to contain a return statement, but it may do so.

What does return 1 do in Java?

Your method has no return type, Provide a return type of int in your method. And return -1 means nothing in java, you are just returning a int value, thats it.

How do you return a string in Java?

  1. public static void main(String[] args) { // take input. Scanner scan = new Scanner(System.
  2. String str = scan. nextLine(); // reverse the string.
  3. // display result string. System. out.
  4. String rev = new String(); for(int i=s. length()-1; i>=0; i–){
  5. // On every iteration new string. // object will be created.
  6. } return rev;

How do you return a string as true or false in Java?

Let’s see the simple example of converting String to boolean in java.

  1. public class StringToBooleanExample{
  2. public static void main(String args[]){
  3. String s1=”true”;
  4. String s2=”TRue”;
  5. String s3=”ok”;
  6. boolean b1=Boolean.parseBoolean(s1);
  7. boolean b2=Boolean.parseBoolean(s2);
  8. boolean b3=Boolean.parseBoolean(s3);

What is return in Java?

The return keyword finished the execution of a method, and can be used to return a value from a method.

How can I return multiple values from a function in Java?

5 ways to return multiple values from a method in Java

  1. Using a POJO class instance. This is the most commonly used method to return multiple values from a method in Java.
  2. Using javafx. util.
  3. Return an array of specific type or an object array.
  4. Return a Collection.