Java 大小写转换

Java 大小写转换

public class CaseConversion {
/**
 * @param character: a character
 * @return: a character
 */
public char lowercaseToUppercase(char character) {
// write your code here
if (character >= 'a' && character <= 'z') {
character = (char) (character - 32); // 将小写字母转换为大写字母
} else {
character = (char) (character + 32); // 将大写字母转换为小写字母
}
return character;
}public static void main(String[] args) {
CaseConversion s = new CaseConversion();
System.out.println("B------>" + s.lowercaseToUppercase('B'));
System.out.println("n------>" + s.lowercaseToUppercase('n'));
}
}

点击查看结果

“`
B——>b
n——>N
“`