1、下列程序段执行后的输出结果是()。for( int i=1; i<=3; i++){for( int j=1; j<=i; j++){System.out.print("*")}System.out.println();}
A. * ** ***
B. ******
C. **********
D. ***
2、下列程序段执行后的输出结果是()。int j = 5;for( int i=1; i<=5; i++){while( j > i ){System.out.print( j + " " );j--;}}
A. 5 4 3 2
B. 5 4 3
C. 5
D. 4 3
3、下列程序执行后的输出结果是()。int j;for( int i=0; i<4; i++){do{j = 5;System.out.print( "a");j--;}while( j>i );System.out.println();}
A. 死循环
B. aaaaaaaaaaaaaaa
C. aaaaaaaaaaaa
D. aaaaaaaaaaaaaaaaaaaaa
4、下列程序执行后的输出结果是()。for( int i=1; i<=5; i++){for( int j=1; j<=i; j++){System.out.print( "q");}System.out.println();}
A. qqqqq qqqqqqqqqq
B. qqqqq qqqqqqq
C. qqqqqqqqqq
D. qqqqqqqqqqqqqqq