for loop syntax java

Package com.eduask.circulationdemo;/* * * 1. Output of 100--200 that cannot be divisible by 3, Output */public class TestDemo01 {public static void m per four newline Ain (string[] args) {int j = 0;for (int i=100; iOperation Result:100101103104106107109110 112113115116118119121 122124125127128130131 133134136137139140142 143145146148149151152 154155157158160161163 164166167169170172173 175176178179181182184 185187188190191193194 196197199200 Java

Package Practicego;import java.util.scanner;/* * 6, the computer randomly generated a number of 0~9, the user to guess the number.The value is correct until it is guessed correctly. */public class Cto {public static void main (string[] args) {Scanner sc = new Scanner (system.in), while (true) {System.out.pri NTLN ("Guess number:"), int pernum = Sc.nextint (), int sysnum = (int) (Math.random () *10), if (Sysnum = = Pernum) {System.out.println (" Congratulations, you guessed it!! "); break;}}}Test

Java programming: add custom attributes to enumeration (print the names and prices of each apple using a for-each loop) Package enumeration; // Add the Custom Attributes enum Apple {AURORA (10), BELMAC (12), CORTLAND (15), EMPIRE (8), GRAVENSTEIN (11) to the enumeration ); private int price; // constructor Apple (int price) {this. price = price;} int getPrice () {return price;} public class ApplesEnum {pub

=NewCyclicbarrier (3); for(inti = 0; I ) {Runnable Runnable=NewRunnable () {@Override Public voidrun () {Try{Thread.Sleep (NewRandom (). Nextint (10000)); System.out.println ("Thread" +thread.currentthread (). GetName () + "Approaching 1, currently available" + (cyclicbarrier.getnumberwaiting () +1) + "reached" + ( Cyclicbarrier.getnumberwaiting () ==2? " It's all here, keep going, "wait.")); Cyclicbarrier.await (); Thread.Sleep (NewRandom (). Nex

Eclipse solves the Unhandled event loop exception error when editing the java file. eclipseunhandled You can try: It has nothing to do with Baidu anti-virus. It is a problem with the myeclipse editor. Myeclipse-> window-> preferences-> general-> editors-> file associationsSelect JSP and select the following jsp editor (myeclipse visual jsp designer is used in this case). You can change it to

Public classT8 { Public Static voidMain (string[] args) {//Upper Part for(intm = 1; M ) { //Output Spaces for(intn = 9; n >= m; n--) {System.out.print (" "); } //Output * Upper left for(intn = 1; n ) {System.out.print ("*"); } //Top Right for(intn = 1; n ) {System.out.print ("*"); } System.out.println (); } //Lower Half for(intm = 1; M ) { //Output S

Package Javafirst;public class Homework {public static void main (string[] args) {System.out.println ("Output a diamond! "); for (int i = 0; I 　　Java loop output a diamond and factorial countdown

Java for Each loop array object traversal Grammar for (type Itr-var:iterableobj) statement-block Take a look at the enumeration group instances public class MainClass {public static void Main (string args[]) {int nums[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};for (int x:nums) {System.out.print (x + "");x = x * 10; No effect on Nums}System.out.println (); for (int x:nums)System.out.print (x + "");

Package collection; Import java. util .*; Public class newset {Public static void main (string [] ARGs ){Set For (INT I = 0; I Students. Add (new student ("happy" + I, "male" + I, 20 + I ));}Students. Add (new student ("happy0", "male0", 20 ));Print (students );Print2 (students );}// Loop traversal ①Public static void print (set System. Out. println ("total data:" + newlist. Size ());/* Student;For (INT I =

) {temp.used=true; Path[count++] =Temp.word; DFS (TEMP.B); } } } Public Static voidMain (string[] args) {main test=NewMain (); Scanner in=NewScanner (system.in); intt =In.nextint (); while(T > 0) {T--; intK =In.nextint (); Test.init (k); for(inti = 0;i ) {String A=In.next (); intA = A.charat (0)-' a '; intb = A.charat (A.length ()-1)-' A '; Start=math.min (Start, Math.min (A, b)); Map[a].add (NewEdge (A, B, a)); Outdegree[a]++; INDEGREE[B]++; } StringBui

; } Else { returnfalse; } }Take the team head element　 Public void queuefront (int getfront) { if(isEmpty () = =false) { Getfront=queuelist[(front+1)%maxlen]; } Else { System.out.println ("Error:queue is Empty"); return ; } }Team Public void enQueue (int endata) { if(isfull ()

String interception to the list using the base transform file store may use Public voidDemo () {String str= "abcdefgfdsdgdgdgdh1f"; ListNewArraylist(); String streee= ""; intLen =str.length (); intSub = 3; if(len% Sub! = 0) { for(inti = 0; I ) {streee= Str.substring (i, i + 3); List.add (STREEE); } String TPM= Str.substring (Str.length ()-(len%sub), Str.length ()); List.add (TPM); } Else { for(inti = 0; I ) {streee= Str.substring (i, i + 3);

each row has been assigned.//The current value--the number of the column on the previous row + the first number on the left of the column on the previous line (see image)Arr[i][j]=arr[i-1][j]+arr[i-1][j-1]; } } //Print Output for(inti = 0; i ) { for(intj = 0; J ) {System.out.print (Arr[i][j]+ "\ T");　　No Line break} System.out.println (); Line Change}}}Operation Result:1 1 1 1 2 1 1 3 3 1 1 4 6 4 1 1 5 5 1

In general, access to data in List,array,set is accessed in the following wayint [] Nums = {1, 2, 3, 4, 5, 6, 7, 8, 9, ten }; for (int i = 0; i ) { System.out.println ("i =" + i);}Since Java1.5, there has been a more convenient way to access: foreachint [] Nums = {1, 2, 3, 4, 5, 6, 7, 8, 9, ten }; for (int x:nums) { System.out.println ("Value is:" + x); + = x;} Grammar: For (type variable name: Collection variable name) {statements;} Precautions

Package four ; Public classFouroneone { Public Static voidMain (String args[]) { for(intI=1; i7; i+=2){ for(intkong=7; kong>i-1; kong--) {System. out. Print (" "); } for(intxing=1; xing) {System. out. Print ("* "); } System. out. println (); } for(intj=1; j5; j+=2){ for(intkong1=1; kong13; kong1++) {System. out. Print (" "); } for(intxing1=5; xing1>=j;xing1--) {System. out. Print ("* "); } System. out. println (); } }}The 4th cha

Package four;public class Fouronetwo {public static void Main (String args[]) {Double sum = 0,a = 1;int i = 1;while (I {sum = sum+a;i = i+1;A = A * (1.0/i);}SYSTEM.OUT.PRINTLN (sum);}}Explanation: When I=1, Sum=1, i=2, a=1* (1/2);When i=2, SUM=1+1*1/2, I=3, a=1*1/2* (1/3);When I=3, SUM=1+1*1/2+1*1/2*1/3, i=4, a=1*1/2*1/3* (1/4) ...When I=20, SUM=1+1*1/2+1*1/2*1/3+...+1*1/2*...*1/20, i=21, a=1*1/2*...* (1/21)When I=21 is not establishedThe 4th chapter writes the

array: The subscript value cannot be easily accessed. Collection: It is not easy to delete things in the collection compared to using Interator. inside is also called InteratoIn addition to simply traversing and reading out the contents, it is not recommended to use the enhanced for. "Program Analysis"int[] arr = {1,2,3,4,5};for (int i:arr) {System.out.println (i); }Collection C = new ArrayList ();C.add (New String ("AA"));C.add (New String ("BB"));For (Object o:c) {System.out.println (o); }

Yi Shi Heavy(1) The output results are as follows:11 21 2 31 2 3 41 2 3) 4 51 2 3 4 5 61 2 3 4 5 6 71 2 3 4 5 6 7 81 2 3 4 5 6 7 8 9 Public class Test { publicstaticvoid main (string[] args) { int i,j,; for (i = 1;i ) { for (j = 1;j i;j++) { System.out.print (j); } System.out.println (); }}}(2) The output results are as follows:9 8 7 6 5 4 3 2 18 7 6 5 4 3 2 17 6 5 4 3 2 16 5 4 3 2 15 4 3) 2 14 3 2 13 2 12 11(3)1 2 3 4 5 61

Tag: the base port exti new Int () defines the ring stringhttp://www.verejava.com/?id=16992623980921/* do{ }while(判断表达式) ： 直到 while 判断表达式为 false 退出循环*/import java.util.Scanner;public class Test1 { /** * @param args the command line arguments */ public static void main(String[] args) { // 模拟切水果游戏, 键盘输入 1:西瓜,2:香蕉,3:水蜜桃,-1:雷 //输入数字打印对应的水果, 如果输入-1 终止游戏输入 Scanner in=new Scanner(System.in); int num=0; //定义了一个变量 do { num=in.n

public void Remove () {listHow to delete elements in a collection in a Java loop