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8186958: Need method to create pre-sized HashMap

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Reviewed-by: chegar, naoto, joehw, lancea, wetmore, smarks
This commit is contained in:
XenoAmess 2022-04-19 00:03:56 +00:00 • committed by Stuart Marks
parent 41fc078323
commit 87faa85c59
30 changed files with 208 additions and 73 deletions
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5
src/java.base/share/classes/java/lang/Character.java
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@ -744,8 +744,7 @@ class Character implements java.io.Serializable, Comparable<Character>, Constabl
* 0.75 - the default load factor of HashMap
*/
private static final int NUM_ENTITIES = 737;
private static Map<String, UnicodeBlock> map =
new HashMap<>((int)(NUM_ENTITIES / 0.75f + 1.0f));
private static Map<String, UnicodeBlock> map = HashMap.newHashMap(NUM_ENTITIES);
/**
* Creates a UnicodeBlock with the given identifier name.
@ -8572,7 +8571,7 @@ class Character implements java.io.Serializable, Comparable<Character>, Constabl
private static final HashMap<String, Character.UnicodeScript> aliases;
static {
aliases = new HashMap<>((int)(162 / 0.75f + 1.0f));
aliases = HashMap.newHashMap(162);
aliases.put("ADLM", ADLAM);
aliases.put("AGHB", CAUCASIAN_ALBANIAN);
aliases.put("AHOM", AHOM);