java 回答问题
1. How do you create a variable with the numeric value 5?
int x = 5;
2. The value of a string variable can be surrounded by single quotes.
False
3. Which method can be used to return a string in upper case letters?
toUpperCase()
1. How do you create a variable with the numeric value 5?
int x = 5;
2. The value of a string variable can be surrounded by single quotes.
False
3. Which method can be used to return a string in upper case letters?
toUpperCase()