三、有下列 JAVA 程式片段，請寫出執行結果。（20 分）String s4 = new String(“restful”) ;String s5 = new String(“restful”) ;String s6 = new String(“peaceful”) ;String s7 = s4 ;String s8 = “restful” ;String s9 = “restful” ;System.out.println(s4.equals(s5)) ;System.out.println(s4.equals(s6)) ;System.out.println(s4 == s5) ;System.out.println(s4 == s7) ;System.out.println(s4 == s8) ;System.out.println(s8 == s9) ;