How to write java program using your mobile
First open playstore type "java id" then install the application, then open the application using "continue free" then write any program https://youtu.be/8ohRxAy_KJU
How to print 9,99,8,89,7,79....
/ common way to write int a=9,n=10 ; // n value you can take anything for(int i=1;i<=n;i++) { if(i%2==1) { System.out.print(a); } else { System.out..print(a*10+9); a--; }}
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