Loop
1. DO WHILE(cond);
Stmt1;
Stmt2;
END;
2. DO UNTIL(cond);
Stmt1;
Stmt2;
END;
3. DO i=1 TO J BY K;
Stmt1;
Stmt2;
END;
Loop
1. DO WHILE(cond);
Stmt1;
Stmt2;
END;
2. DO UNTIL(cond);
Stmt1;
Stmt2;
END;
3. DO i=1 TO J BY K;
Stmt1;
Stmt2;
END;