Jan 25, 2012 · In Java, a String is a reference to heap-allocated storage. Returning "ans" only returns the reference so there is no need for stack-allocated storage. In fact, there is no way in Java to allocate objects in stack storage.

Feb 2, 2024 · In this Java program, the returnString() method is designed to fulfill a simple purpose — it returns a string. Specifically, in this example, the string the method returns is "Hello, World!". This method serves as an example of how a function in Java can produce a string output.

public static void main(String[] Args) { histogram(1); } Also you are not catching the return of histogram() method in your main method you should do like this: System.out.print(histogram(randomNum) + "\n"); Or. String test = histogram(randomNum); System.out.print(test + "\n");

Aug 29, 2018 · In order to be compilable code, your method must have a return statement for each possible scenario. Change your code to this: String printMult(int x){ int i,j; for(i = 0;i <= x;i++){ for(j = 0;j <= x;j++){ return i + "*" + j; return "no iterations occurred."; public static void main(String[] args){ Multiples num = new Multiples();

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

Jan 2, 2025 · return keyword in Java is a reserved keyword which is used to exit from a method, with or without a value. The usage of the return keyword can be categorized into two cases: Methods returning a value; Methods not returning a value; 1. Methods Returning a Value

String concatenation is implemented through the StringBuilder (or StringBuffer) class and its append method. String conversions are implemented through the method toString, defined by Object and inherited by all classes in Java.

May 1, 2020 · Is char[ ], String, StringBuffer, or StringBuilder the best way to take and return String data in Java? Take a look at this comparison.

Feb 27, 2020 · In Java 8, Function is a functional interface; it takes an argument (object of type T) and returns an object (object of type R). The argument and output can be a different type. R apply(T t); T – Type of the input to the function. R – Type of …

Sep 26, 2013 · public String takeNames(String fName, String lName){ Scanner scanner = new Scanner(System.in); System.out.println("Enter your first and last name"); fName = scanner.next(); lName = scanner.next(); return String.format("Hello %s %s", fName, lName); }