upercaseandlowercase_usedemo.java

JAVA编程思想源代码 值得一下 很难找的

package chapter8;

public class UperCaseAndLowerCase_UseDemo {

	public static void main(String[] args) {
		char ch1 = 'a';
		char ch2 = 'A';
		boolean b1 = Character.isUpperCase(ch1);
		boolean b2 = Character.isLowerCase(ch2);
		if (b1 == true)
			System.out.println(ch1 + "是大写字符");
		else
			System.out.println(ch1 + "是小写字符");
		if (b2 == true)
			System.out.println(ch2 + "是小写字符");
		else
			System.out.println(ch2 + "是大写字符");

	}

}