rpm -ivh sqldeveloper-3.2.20.09.87-1.noarch.rpm
2.open conf file, then set jdk path
vi /opt/sqldeveloper/sqldeveloper/bin/sqldeveloper.conf
add full jdk path to "SetJavaHome" properties.then add "SetSkipJ2SDKCheck true" to skip the jdk check.
IncludeConfFile ../../ide/bin/ide.conf SetJavaHome [color=red]/usr/java/jdk1.6.0_43[/color] [color=darkred]SetSkipJ2SDKCheck true[/color] AddVMOption -Doracle.ide.util.AddinPolicyUtils.OVERRIDE_FLAG=true AddVMOption -Dsun.java2d.ddoffscreen=false AddVMOption -Dwindows.shell.font.languages= AddVMOption -XX:MaxPermSize=256M AddVMOption -Doracle.jdbc.mapDateToTimestamp=false IncludeConfFile sqldeveloper-nondebug.conf
3.Configuration font to display chinese.
Tools --> Preferences --> Code Editor --> Fonts
4.Done