import java.util.*;
public class Week6 {
public boolean checkWeek6(String str){
boolean flag=false;
int week6=0;
str.replace('/','-');
Calendar cal=Calendar.getInstance();
cal.setTime(java.sql.Date.valueOf(str.substring(0,10)));
week6=cal.get(Calendar.DAY_OF_WEEK);
if(week6==7){
flag=true;
}
return flag;
}
}
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