First, Yang Hui triangle
1 ImportJava.util.Scanner;//Importing Packages2 Public classTest7 {3 Public Static voidMain (String[]args) {4 5Scanner row=NewScanner (system.in);//Call Scanner6 intn = row.nextint ();//Defining Types7 int[] A=New intN [n];//defining a two-bit array8 intI,j;//declaring an integral type9 Ten for(i=0;i<n;i++) {//Loop Line One A for(j=0;j<=i;j++) {//Looping Columns - - if(j==0 | | j==i) {//first and last of each line theA[i][j]=1; - -System.out.print (a[i][j]+ "\ T"); - } + - Else{ +A[I][J]=A[I-1][J-1]+A[I-1][J];//equals the same position on the previous line and the sum of two numbers in the previous position ASystem.out.print (a[i][j]+ "\ T"); at } - } -System.out.println ();//line Break - System.out.println (); - - } in } - to}
Second, hollow Diamond
Public classTest6 { Public Static voidMain (String[]args) {String [][]a=NewString[11][];//defining a two-dimensional array for(inti=0;i<11;i++) {//Loop Line if(i<=5) {//Upper Part for(intj=0;j<11;j++) {//Looping Columns if(J==5-i | | j==5+i) {//Looping ColumnsSystem.out.print ("*");//Output * Number } Else{//output other scary partsSystem.out.print (""); }} System.out.println (); } Else{//Lower Half for(intj=0;j<11;j++) {//Loop Line if(J==i-5 | | j== (10-(i-5))) {//Looping ColumnsSystem.out.print ("*"); } Else{System.out.print (" ");//Blank Section}} System.out.println (); //line Break } } }}
Java Yang Hui Triangle and Hollow diamond (two-dimensional array)