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Can a Java method return a string?

Can a Java method return a string?

In Java, the prototype of a method must contain a return type always based on the data type specified in the declaration. Below is the code block to explain the function of returning a string. In the driver class above, there is a private function that returns a String value.

How do you Retuen 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;

Can a method return a string and int Java?

2. Use Integer.valueOf() to Convert a String to an Integer. This method returns the string as an integer object. If you look at the Java documentation, Integer.valueOf() returns an integer object which is equivalent to a new Integer(Integer.parseInt(s)) .

Which method returns a part of a string?

substring() method
The Java String class substring() method returns a part of the string.

How do you return a string from a function?

Strings in C are arrays of char elements, so we can’t really return a string – we must return a pointer to the first element of the string. All forms are perfectly valid. Note the use of const , because from the function I’m returning a string literal, a string defined in double quotes, which is a constant.

How do I return a char?

“How to return a char array from a function in C” Code Answer

  1. char * createStr() {
  2. char char1= ‘m’;
  3. char char2= ‘y’;
  4. char *str = malloc(3);
  5. str[0] = char1;
  6. str[1] = char2;
  7. str[2] = ‘\0’;

What is return method in Java?

A return statement causes the program control to transfer back to the caller of a method. Every method in Java is declared with a return type and it is mandatory for all java methods. A return type may be a primitive type like int, float, double, a reference type or void type(returns nothing).

What is return keyword in Java?

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

How do I print a string from a user?

To print any string in C programming, use printf() function with format specifier %s as shown here in the following program. To scan or get any string from user, you can use either scanf() or gets() function.

Should I use substr or substring?

The difference between substring() and substr() The arguments of substring() represent the starting and ending indexes, while the arguments of substr() represent the starting index and the number of characters to include in the returned string.

What is the difference between the slice () and substring () method?

slice() extracts parts of a string and returns the extracted parts in a new string. substr() extracts parts of a string, beginning at the character at the specified position, and returns the specified number of characters. substring() extracts parts of a string and returns the extracted parts in a new string.

How do I fetch a word from a string?

“how to extract word from string in java” Code Answer’s

  1. String test = “My first arg test”;
  2. String[] words = test. split(” “);
  3. for (String word : words) System. out. println(word);

How do you write a return in Java?

The syntax of a return statement is the return keyword is followed by the value to be returned. The following Java programs demonstrate the use of return statements. In the above Java code, the method CompareNum is defined with the int return type. It compares the x and y values and returns the greater number.

What string method can be used to return a string from the given string?

Method substring() returns a new string that is a substring of given string. Java String substring() method is used to get the substring of a given string based on the passed indexes.

How do you return a method in Java?

whichever occurs first. 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.

How do I return a string in Java?

Return a String in Java. In Java, the prototype of a method must contain a return type always based on the data type specified in the declaration. Below is the code block to explain the function of returning a string. In the driver class above, there is a private function that returns a String value. The prototype of the doSomething method is

How does the ‘return’ method work in Java?

In this example,class A is extended by class B.

  • The method message () in class B has a return type of its superclass,A.
  • From this method,we have returned the currently executing object of class B,using this reference.
  • How many values can a method return in Java?

    You can return only one value in Java. If needed you can return multiple values using array or an object. In the example given below the calculate () method accepts two integer variables performs the addition subtraction, multiplication and, division operations on them stores the results in an array and returns the array.