string3.java

java程序设计 清华出版社 孙燮华老师编写的程序源代码

//String3.java
public class String3{
  public static void main(String args[]){
    String s1 = "Java", s2 = "java", s3 = "Welcome", s4 = "welcome", s5 = "student";
    String str, str1 = "s3 > s2", str2 = "s3 < s2",str3 = "s3 = s2";
    
    int p = s3.compareTo(s2);
    if(p>0) str=str1;
    else if(p==0) str=str3;
    else str=str2;
    System.out.println("s1 = " + s1 + ", s2 = " + s2 + ", s3 = " + s3 + ", s4 = " + s4 + ", s5 = " + s5);
    System.out.println("s3.equals(s4) = " + s3.equals(s4));
    System.out.println("s1.equalsIgnoreCase(s2) = " + s1.equalsIgnoreCase(s2));
    
    System.out.println("s1.compareTo(s2) = " + s1.compareTo(s2));
    System.out.println("s5.compareTo(\"student\") = " + s5.compareTo("student"));
    System.out.println("s3.compareTo(s2): " + str);    
  }
}