■ マシン
OS: Windows XP Home Edition Service Pack 3 (build 2600) (Japanese)
IE(Trident): 7.0.5730.13
CPU: 1 of INTEL (Intel(R) Pentium(R) M processor 1.73GHz)
RAM: 502MB (159MB Free)
FlashPlayer: 9.0.124.0
FireWall: Trend Micro Personal Firewall
true
false
true
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public class HelloWorld {
public static void main(String[] args){
String a = "やらないか?";
String b = "やらないか?";
System.out.println(a == b);
StringBuffer c = new StringBuffer("test");
StringBuffer d = new StringBuffer("test");
StringBuffer e = c;
JavaScriptならば多分trueのはず。だけれどもJavaはfalse
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public class HelloWorld {
public static void main(String[] args){
String a = new String("test");
String b = new String("test");