Scjp: Java exerciese 1

Source: Internet
Author: User
// Testcollect. javapackage COM. test; public class testcollect {private string name; private int age; Public String getname () {return name;} public void setname (string name) {This. name = Name;} public int getage () {return age;} public void setage (INT age) {This. age = age ;}@ overrideprotected void finalize () throws throwable {system. out. println ("Object finalize:" + this. hashcode (); super. finalize () ;}// testargs. javapackage COM. test; import Java. util. properties; public class testargs {public static void main (string... ARGs) {char CH = '1'; // two ways: Char [] var_name; char var_name []; Different // char CHS [] = {'\ u0030 ', '\ u0031'}, chss; // 48, 49 CHS: array, chss: charchar [] CHS = {'\ u0030', '\ u0031'}, chss; // 48, 49 CHS: array, chss: arraysystem. out. println (INT) (CH); system. out. println (CHS [1]); // 1 // chss = 'B'; // system. out. println (chss);/* system. getproperties (). list (system. out); // Output System Properties to stdout. system. out. println (system. getproperty ("path", "BBB"); * // * test system. GC (); testcollect Tc = new testcollect (); TC. setage (23); TC. setname ("WCG"); system. out. println (TC. getage (); tc = NULL; // OBJ ref CNT is 0, wait for collect... // system. GC (); runtime. getruntime (). GC (); system. out. println ("Please enter a INT:"); scanned scan = new partition (system. in); int I = scan. nextint (9); // Radix: 9, Number System (11) 9 = (10) 10system. out. println (I); * // * string S = ARGs [0]; system. out. println (s); system. out. println ("Length:" + args. length); For (string Arg: ARGs) {system. out. println (ARG);} say ();*/}}

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