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String str="我是%1$s,我来自%2$s,今年%3$s岁";
System.err.println(String.format(str, "中国人", "北京", "22"));
public class MyTemplate{
private String t1 = "我是";
private String t2 = ",我来自";
private String t3 = ",今年";
private String t4 = "岁。";
public static getString(String name, String adr, int age){
StringBuilder sb = new StringBuilder();
sb.append(t1).append(name).append(t2).append(nadr).append(t3).append(age).append(t4);
return sb.getString();
}
}