当array对象中没有剩余元素时,for-each循环会自动终止 public class ForEachDemo1 { public static void main(String[] args) { inta[]={20,21,22,23,24}; for(int i:a) { System.out.println(i); } } } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. (While Loop) Like for loop, while ...
问如何使用scanner、loop、array、if和else语句统计单词(不计算特殊字符序列)EN如果字符串中包含一系列特殊...
move backward n steps. Assume the first element of the array is forward next to the last elemen...
for (type variable : arrayname) { ... } The following example outputs all elements in the cars array, using a "for-each" loop:Example String[] cars = {"Volvo", "BMW", "Ford", "Mazda"}; for (String i : cars) { System.out.println(i); } Try it Yourself » The...
引用了t 的java 语句; } 1. 2. 3. 以下实例演示了普通for循环和foreach循环使用: private static void test() { List<String> names = new ArrayList<String>() {{ add("Hello"); add("World"); add("Good"); }}; System.out.println("foreach循环"); ...
Ruby Kotlin Python Java It's possible to iterate through an array with an index. For example, funmain(args:Array<String>){varlanguage = arrayOf("Ruby","Kotlin","Python","Java")for(iteminlanguage.indices) {// printing array elements having even index onlyif(item%2==0) println(language...
publicclassArrayIterationExample{publicstaticvoidmain(String[]args){int[]numbers={10,20,30,40,50};for(int i=0;i<numbers.length;i++){System.out.println("Element at index "+i+": "+numbers[i]);}}} This example demonstrates iterating over an array. The loop iterates through thenumbersar...
Java Enhanced for loop I applied enhanced for loop on a 2d array. I am getting unexpected output. Please check the code public class pr { public static void main(String[] args) { int listoflist[][]= {{45,34,23},{43,2}}; for (int[] j:listoflist) { // System.out.println(j...
fun main(args:Array<String>) {varnubs=1..100} 就是如此简单。 用两个..就可以了。 那么说到了1到100,那么问题来了 我们该如何使用这个呢? 那就是kotlin 的循环。 如果你熟悉其他语言,比如C java c# 你会知道有两种常用的循环方式 while 和for这两个。
Java For Loops If you’re familiar with any C-style languages, you’re probably familiar with for loops. For loops are typically used with primitive type arrays that contain either string or integer values. You use these loops when you need to manipulate or read each value in the array. ...