17 lines
520 B
Java
17 lines
520 B
Java
package chapter5;
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public class Example04 {
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public static void main(String[] args) {
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String name = "王小明";
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String newName = name.replace("王", "卢");
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System.out.println("旧名字：" + name + "\n新名字：" + newName);
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System.out.println();
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String name2 = " 王 小明 ";
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String name3 = name2.trim();
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System.out.println("去除空格前：" + name2 + "\n去除空格后：" + name3 );
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// 思考：如何去掉所有空格？
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}
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}
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