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Type: Enhancement
Resolution: Fixed
Priority: P5
Fix Version/s: 9
Affects Version/s: None
Component/s: core-libs
Labels:
- noreg-perf
- starter

Subcomponent:
java.lang
Resolved In Build:
b47
CPU:

generic
OS:

generic

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8084135	emb-9	Unassigned	P5	Resolved	Fixed	team
JDK-8086779	8u65	Unassigned	P5	Resolved	Fixed	b01
JDK-8071586	8u60	Lev Priima	P5	Resolved	Fixed	b03
JDK-8138142	emb-8u65	Unassigned	P5	Resolved	Fixed	b01
JDK-8076731	emb-8u60	Lev Priima	P5	Resolved	Fixed	team

In an average heap dump, 292 kB is wasted from empty Strings having their own char[] of length 0. Instead, the String class should declare a zero-length char[] and use that for empty Strings. The constructor should detect that an empty String is being created and use the common char[].

backported by

JDK-8071586 Use private static final char[0] for empty Strings

Resolved

JDK-8076731 Use private static final char[0] for empty Strings

Resolved

JDK-8084135 Use private static final char[0] for empty Strings

Resolved

JDK-8086779 Use private static final char[0] for empty Strings

Resolved

JDK-8138142 Use private static final char[0] for empty Strings

Resolved

relates to

JDK-8071571 Move substring of same string to slow path

Resolved

(1 relates to)

Assignee:: Lev Priima

Reporter:: Nathan Reynolds

Votes:: 0 Vote for this issue

Watchers:: 6 Start watching this issue

Created:: 2013-05-31 14:52

Updated:: 2015-09-29 05:57

Resolved:: 2015-01-14 10:46

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