Java Prints the following pattern (diamond)

Topic:

Print out the case (diamond)

Program Analysis:

First, the graph is divided into two parts to see, the first four lines a rule, after three lines a rule, the use of double for loop, the first layer control row, the second Level control column.

Code section:

1  Public classprog18{2      Public Static voidMain (string[] args) {3         intn = 5;4 Printstar (n);5     }6     //Print stars7     Private Static voidPrintstar (intN) {8         //print top Half9          for(inti=0;i<n;i++){Ten              for(intj=0;j<2*n;j++){ One             if(j<n-i) ASystem.out.print (""); -             if(J>=n-i && j<=n+i) -System.out.print ("*"); the           } - System.out.println (); -         } -         //print the lower half of the section +          for(inti=1;i<n;i++){ -System.out.print (""); +              for(intj=0;j<2*n-i;j++){ A                 if(j<i) atSystem.out.print (""); -             if(J>=i && j<2*n-i-1) -System.out.print ("*"); -             } - System.out.println (); -         } in     } -}

Operation Result:

     *    ***   *****  ******* *********  *******   *****    ***     *

Java Print out the case (diamond)