java arrays

class CheckIfArrayContainsValue { public static void main(String[] args) { String[] programmingLanguages = {“Python”, “Kotlin”, “Ruby”, “JavaScript”, “C#”, “Java”, “Flutter”}; for (String lang : programmingLanguages) { if (lang.equals(“Java”)) { System.out.println(“It does contain!”); break; // value found, exit the loop } } } } Output: It does contain!   Here, we are iterating over the array, and…

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public class Test { public static void main(String[] args) { Integer[] array = new Integer[]{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; // reverse an array Integer[] reversedArray = reverse(array); // print the elements Arrays.stream(reversedArray).forEach(item -> System.out.print(item + ” “)); } public static Integer[] reverse(Integer[] array) { List arrayList = Arrays.asList(array); Collections.reverse(arrayList); return…

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public class Test { public static void main(String[] args) { int[] array = new int[]{7, 1, 9, 2, 5}; Arrays.sort(array); Arrays.stream(array).forEach(System.out::print); } } Output: 1 2 5 7 9   Note: values of type int will be automatically converted to the corresponding Wrapper class. And since the Integer Wrapper class implements Comparable, we can sort…

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import java.util.Arrays; public class Test { public static void main(String[] args) { int[] array = new int[]{17, 28, 9, 4, 22, 7, 1, 3, 19, 42, 58, 47}; // first sort the array Arrays.sort(array); //print the minimum value (first number in an array) System.out.println(“Minimum value: ” + array[0]); //print the maximum value (last number in…

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import java.util.Arrays; class Test { public static void main(String[] args) { String[] names = {“John”, “Steve”, “Melissa”, “Maria”}; System.out.println(Arrays.toString(names)); } } Output: [John, Steve, Melissa, Maria]   copyOf(type [] a, int n) Returns a new copy of the array, which consists of the first n of its elements. import java.util.Arrays; class Test { public static…

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class Test { int[] a; int b[]; int []c; } class Test { int[] a = new int[100]; int b[] = new int[]{1, 2, 3}; int[] c = {1, 2, 3}; } class Test { public static void main(String[] args) { // initialize the array int[] a = new int[3]; // add elements to array…

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