What will be displayed on the screen after the following code is executed? string str = "plan to sing today."; string newstr = str. replace("to", "2"); system. out. println(newstr.;

17

Explanation:

str string contains 19 character in total.

When we called str.replace("to","2");, it basically replaced all sub string to with 2 so as we have to occurred on 2 places in given string so it replaces 4 characters with 2 characters.

So after getting the length of new string, it returns 17.

The number 17

Explanation:

The character str string contains 19 characters.

When the command str. replace("to", "2"); it basically is replaces all sub string to with 2 so that we have "to"occuring on 2 places in a given string. Therefore, it replaces 4 characters with only two characters.

So, after getting the length of the new string, it returns to the number 17.

yes we can change both the color of the value of a cell as well as background color of a cell at the same time .

as we know that excel sheet consists of columns and rows.

and intersection of column and row is called cell.

we can change color of the cell and background of the cell at the same time.

hence the statement that

can a person change color of the cell and background of the cell at the same time is true.