5.1 String类

src/chapter5/Example05.java

@@ -0,0 +1,14 @@
+package chapter5;
+
+public class Example05 {
+    public static void main(String[] args) {
+        String s1 = "我是王小明";
+        String s2 = "我是";
+
+        System.out.println("判断开头：" + s1.startsWith("我是"));
+        System.out.println("判断结尾：" + s1.endsWith("小明"));
+        System.out.println("判断包含：" + s1.contains("是"));
+        System.out.println("判空：" + s1.isEmpty());
+        System.out.println("判断相等：" + s1.equals(s2));
+    }
+}