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public class Demo {
public static void main(String[] args) {
boolean flag=false;
StringBuffer blank=new StringBuffer();
for(int i=1;i<=9;i++){
for(int k=i;k<=9;k++){
if(i>1&&!flag){
int count=i-1;
for(int s=1;s<=count;s++){
blank.append(" ");
}
flag=true;
System.out.print(blank);
blank.delete(0, blank.length()+1);
}
System.out.print(k+"*"+i+"="+(k*i)+" ");
}
flag=false;
System.out.println();
}
}
}
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