重装系统后不用再装JRE的方法
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Runtime Environment\1.4]
"JavaHome"="D:\\miniTools\\SunONE\\j2sdk1.4.2_12\\jre"
"RuntimeLib"="D:\\miniTools\\SunONE\\j2sdk1.4.2_12\\jre\\bin\\client\\jvm.dll"
"MicroVersion"="0"
[HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Runtime Environment\1.4]
"JavaHome"="D:\\miniTools\\SunONE\\j2sdk1.4.2_12\\jre"
"RuntimeLib"="D:\\miniTools\\SunONE\\j2sdk1.4.2_12\\jre\\bin\\client\\jvm.dll"
"MicroVersion"="0"
