Java Learning Notes (iv)---print graphics

1   //1. Diamond2    Public Static voidLingxing (intsize) {3     if(size% 2 = = 0){4size++;//Calculate Diamond Size5     }6     //top half of the output diamond7      for(inti = 0; I < SIZE/2 + 1; i++) {8        for(intj = size/2 + 1; J > i + 1; j--) {9System.out.print ("");//white space at the top left corner of the outputTen       } One        for(intj = 0; J < 2*i + 1; J + +) { ASystem.out.print ("*");//top half of the output diamond -       } -System.out.println ();//line Break the     } -     //output diamond Lower half -      for(inti = SIZE/2 + 1; i < size; i++) { -        for(intj = 0; J < I-SIZE/2; J + +) { +System.out.print ("");//output diamond lower left corner blank -       } +        for(intj = 0; J < 2*size-1-2*i; J + +) { ASystem.out.print ("*");//output diamond Lower half at       } - System.out.println (); -     } -   } -  -   //2.99 Multiplication Table in    Public Static voidmultiplicationtable () { -      for(inti = 1; I <= 9; i++) { to        for(intj = 1; J <= I; J + +) { +System.out.print (j+ "x" +i+ "=" +i*j+ "\ t");//\ t jumps to the next tab position -       } theSystem.out.println (""); *     } $   }Panax Notoginseng  -   //3. Printing triangles the    Public Static voidTriangle (intN) { +      for(inti = 0; I <= N; i++) { A        for(intj = N; J >= I; j--) { theSystem.out.print ("");//set up number 1th graphics +       } -        for(intj = 1; J <= I; J + +) { $System.out.print ("*");//set up number 2nd graphics $       } -        for(intj = 1; J < I; J + +) { -System.out.print ("*");//set up number 3rd graphics the       } -System.out.println ("");Wuyi     } the   } -  Wu   //4. Print inverted triangles -    Public Static voidInvertedtriangle (inti) { About     //Print a inverted triangle $      for(intm = 1; M <= i; m++) { -        //Print Space -         for(intn = 0; n <= m; n++) { -System.out.print (""); A        } +        //Print * the         for(intx = 1; x <= (I-M) + 1; X + +) { -System.out.print ("*"); $        } the System.out.println (); the     }   the   } the    -   //5. Print Parallelogram in    Public Static voidParallelogram (intN) { the     //The outer loop each time a * the      for(inti = 1; I <=n; i++) { About       //padding Spaces the        for(intj = 1; J <= N-i; J + +) { theSystem.out.print (""); the       } +       //The inner loop prints one at a time * -        for(intK = 1; K <=n; k++) { theSystem.out.print ("*");Bayi       } the System.out.println (); the     } -   } -  the   //6. Print Parallelogram the    Public Static voidRectangle (intN) { the     //The outer loop each time a * the      for(inti = 1; I <=n; i++) { -       //Outer loop output one line at a time * theSystem.out.print ("*"); the  the       //The inner loop prints one at a time *94        for(intK = 1; K <=n; k++) { theSystem.out.print ("*"); the       } the System.out.println ();98     } About}

Java Learning Notes (iv)---print graphics