DSNTIPX1: Db2 Java properties panel
The entries on this panel are used to specify local preferences for configuring JDBC and SQLJ and DSNWLMJ_JAVA.
The fields on this panel can be updated only when you run the DB2 CLIST to install or migrate a Db2 subsystem or the first member of a data sharing group. They are displayed but cannot be changed when you install or migrate the second or a subsequent member of a data sharing group.

DSNTIPX1 INSTALL DB2 - DB2 JAVA PROPERTIES
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z/OS and z/OS Unix System Services Java object locations:
1 SDK HOME DIR ===> /usr/lpp/java180/J8.0
2 JAVA CLASSES ===> /usr/include/java_classes
3 JAVA RUNTIME ===> /usr/lib/java_runtime
IBM Data Server Driver for JDBC and SQLJ environment configuration:
4 JDBC/SQLJ ENV VAR DIR ===> /usr/lpp/db2d10/jdbc
5 JDBC/SQLJ INSTALL ID ===> For secure connections by PassTicket
Db2 Java classes, native methods library, and samples location:
6 DB2 BASE JAVA DIR ===> /usr/lpp/db2d10/base
Db2-supplied Java WLM Environment (DSNWLM_JAVA) configuration:
7 JAVA ENV DATA SET ===> prefix.ssnmWLMJ.JAVAENV
8 JAVA ENV VAR FILE ===> /usr/lpp/db2d10/base/classes/ssnmenvfile.txt
9 JVM PROPERTIES FILE ===> /usr/lpp/java/properties/ssnmjvmsp
10 JVM ADDRESSING MODE ===> 32 In bits (32 or 64)
11 INIT JAVA HEAP SIZE ===> DEFAULT DEFAULT or 1 - 99999 MB
12 MAX APPL HEAP SIZE ===> DEFAULT DEFAULT or 1 - 99999 MB
PRESS: ENTER to continue RETURN to exit HELP for more information