The following example demonstrates how you can use forEach() with lambda expression to loop a Map object:// create a map Map<String, Integer> salaries = new HashMap<>(); salaries.put("John", 4000); salaries.put("Alex", 5550); salaries.put("Emma", 3850); salaries.put("Tom", 6000...
In this section, you will create your first programming loop in Java using thewhilekeyword. You’ll use a singleintvariable to control the loop. Theintvariable will be calledxand will have an initial value of3. While, or as long as,xis bigger than0, the loop will continue executing a ...
In the next example we use the forEach method to loop over a map. foreach2.js let stones = new Map([[1, "garnet"], [2, "topaz"], [3, "opal"], [4, "amethyst"]]); stones.forEach((k, v) => { console.log(`${k}: ${v}`); }); ...
Since Java 1.5, the for-each loop or enhanced for loop is a concise way to iterate over the elements of an array and a Collection. Since Java 1.5, thefor-eachlooporenhancedforloopis a concise way to iterate over the elements of an array and a Collection. Simply put, thefor-eachloop ...
For loop example over an iterable object In the following example, we’re looping over the variableobjand logging each property and value: constobj={"a":"JavaScript",1:"PHP","b":"Python",2:"Java"};for(letkeyinobj){console.log(key+": "+obj[key])}// Output:// "1: PHP"// "...
However, if you must usecontinuein aforEachloop, there is an option. Areturnmay be used to exit theforEachloop. Look at the code below: constnumb=[5,6,7,8,9,10];numb.forEach((num)=>{if(num%2===0){return;}console.log(num);}); ...
numbers.forEach(number => { if (stop) { return; // Skip the remaining iterations } if (number === 4) { stop = true; // Stop the loop after this iteration } console.log(number); }); // The output will be: // 1 // 2 ...
In this tutorial, we explored how to use the for loop and the for-each loop in Java. We also referred to an example of each of these loops in action. We also discussed how each example worked step-by-step. You’re now equipped with the knowledge you need to use Java for and for-...
Use a NestedforEachLoop in Kotlin We can also nestforEachunder one another. The example below demonstrates the use of nestedforEachin Kotlin. funmain(args: Array<String>) {varmyList = listOf<Int>(1,2)myList.forEach {println(it)println()myList.forEach {println(it*3)}println()}} ...
UPDATE2: from @viery365 comment you can use this as second argument to forEach and it will make context for the function: this.addNewObjects=function(arr) { arr.forEach(function(obj) {this.addObject(newObj(obj.prop1, obj.prop2)); ...