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//BufferedReader is faster than scanner as it doesn't parse the text. Iterated over 1000 times, it saves 30 seconds in total.
import java.io.BufferedReader;
import java.io.InputStreamReader;
class Even20To100 {
public static void main(String[] args) throws java.io.IOException {
for(int i = 0; i <= 100;i++){
if (i % 2 == 0){
System.out.print(i + " ");
}
}
}}
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