[Java Basics] Loop structure 2

Source: Internet
Author: User

[Java Basics] Loop structure 2

Wrote a few loop structure exercises ~ record It ~ ~

1:99 multiplication Table

1 /**2 file path: G:\JavaByHands\ Loop statement3 file name: Gameforfor.java4 Write Time: 2016/6/75 Author: Zheng-hui6 Write a description: For loop Sample code example7 write a 99 multiplication table8 */9  Public classGameforfor {Ten      Public Static voidMain (string[] args) { One         //Target: Output 99 multiplication table A          for(inti = 1;i <= 9;i++){ -              -              for(intj = 1;j <= i;j++) { theSystem.out.print (i + "*" + j + "=" + (i*j) + "\ T"); -             } - System.out.println (); -  +         } -     } +}

2: Tease you to play a simple lottery

1 /**2 file path: G:\JavaByHands\ Loop statement3 file name: Testforfor.java4 Write Time: 2016/6/115 Author: Zheng-hui6 Write a description: Entertainment ~ ~ Simple Lottery7 tease you to play the lottery system ~ ~ Use of circular statements, conditional statements to achieve a simple lottery function ~ ~8 Super simple version ...9 */Ten  One //Guide Package A //Scanner - ImportJava.util.Scanner; - //Random the ImportJava.util.Random; -  -  -  +  Public classTestforfor { -      +      Public Static voidMain (string[] args) { A          at         //Scanner Object -Scanner sc =NewScanner (system.in); -         //Random Object -Random ran =NewRandom (); -  -System.out.println ("Welcome to tease you play system ~ ~"); inSYSTEM.OUT.PRINTLN ("Please select: 1: Sweepstakes; 2: Exit"); -         //Incoming Options to         inti =sc.nextint (); +         //to judge an incoming item -         if(i = = 1) { theSystem.out.println ("Welcome to the lottery system ~ ~"); *System.out.println ("Would you like to start the lottery? [y/n] "); $             /*Panax Notoginseng Here I used a byte b = sc.nextbyte result error - inputmismatchexception the if the next tag does not match an Integer regular expression, or is out of range +             */ AString s =Sc.next (); the             //Judging +             if(S.equals ("Y")) { -SYSTEM.OUT.PRINTLN ("---start Lottery---"); $                  $                 intRannum = Ran.nextint (11); -                 //to judge the obtained value -                 Switch(rannum) { the                      Case(1): -System.out.println ("Congratulations on your first prize ~ ~ ~");Wuyi                          Break; the                      Case(2): -                      Case(3): WuSystem.out.println ("Congratulations on your second prize ~ ~ ~"); -                          Break; About                      Case(4): $                      Case(5): -                      Case(6): -System.out.println ("Congratulations to the third prize ~ ~"); -                          Break; A                      Case(7): +                      Case(8): the                      Case(9): -                      Case(10): $System.out.println ("Very sorry ... You didn't win ... "); the                          Break; the                 }                                         the}Else if(S.equals ("N")) { theSystem.out.println ("Give Up the lottery"); -System.out.println ("End of program"); in}Else { theSYSTEM.OUT.PRINTLN ("Command error ..."); theSYSTEM.OUT.PRINTLN ("Program End ..."); About             } the              the}Else if(i = = 2) { theSYSTEM.OUT.PRINTLN ("You have exited the system ~ ~"); +SYSTEM.OUT.PRINTLN ("Look forward to your next use ~ ~"); -}Else { theSYSTEM.OUT.PRINTLN ("Command error ...");BayiSYSTEM.OUT.PRINTLN ("Program End ..."); the         } the     } -}

I want to write with eclipse ... But in order to improve ... Endure...

[Java Basics] Loop structure 2

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