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Printspiral.java
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Printspiral.java
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package com.gokul.matrix;
public class Printspiral {
public static void main(String[] args) {
int a[][];
int[][] b;
int[] c[];
int [][]d;
int arr[][]={{1,2,3},{4,5,6},{7,8,9}};
System.out.println("Array length is "+arr.length);
for(int i=0;i<3;i++){
for(int j=0;j<3;j++){
System.out.print(arr[i][j]+" ");
}
System.out.println(); }
spiral(arr);
}
public static void spiral(int [][]a){
int dir=0;
int T=0;
int B=a.length-1;
int L=0;
int R=a.length-1;
int i;
while(T<=B && L<=R){
if(dir==0){
for(i=L;i<=R;i++){
System.out.print(a[T][i]+",");
}
dir=1;T++;
}
else if(dir==1){
for(i=T;i<=B;i++){
System.out.print(a[i][R]+",");
}
dir=2;R--;
}
else if(dir==2){
for(i=R;i>=L;i--){
System.out.print(a[B][i]+",");
}
dir=3;B--;
}
else if(dir==3){
for(i=B;i>=T;i--){
System.out.print(a[i][L]+",");
}
L++;
dir=(dir+1)%4;
}
}
}
}