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https://issues.apache.org/jira/browse/NETBEANS-479?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ARUNAVA SINHA updated NETBEANS-479:
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Description:
The IDE will include a prompt to replace the explicit types with ‘var’, when
the type can be inferred from the context.
e.g.., String str = new String("Hello");
can be replaced with var str = new String("hello");
Preconditions for the hint:
# hint will be enabled only for JDK10 or higher
# hint willwork only inside local scope
# hint will be disabled if var type is already present.
# hint will not support generic array.
e.g., Arraylist[] arr = new ArrayList[5];
Apache Jira Link:
https://issues.apache.org/jira/browse/NETBEANS-479
Explicit type of local variable will be converted to var type if type of
variable is same as assignment type
Below Scenarios are covered:
# Object Initialization:
Integer i = new Integer("10");
Fix : var i = new Integer("10");
HashMap<Integer,Integer> map= new HashMap<Integer,Integer>();
Fix : var map= new HashMap<Integer,Integer>();
# Array Initialization
int[][]arr = new int[3][];
Fix : var arr = new int[3][];
# Assignment of literal:
int a = 10;
Fix: var a = 10;
# Assignment to a method call
var list = Collections.unmodifiableList(new ArrayList()) ;
Below Assignment scenarios are not covered.
# Anonymous Object
# Lambda expression
# Diamond interface
was:
The IDE will include a prompt to replace the explicit types with ‘var’, when
the type can be inferred from the context.
e.g.., String str = new String("Hello");
can be replaced with var str = new String("hello");
*Preconditions for the hint:*
1. hint should be enabled only for JDK10 or higher
2. hint should work only for local variable
3. hint should be disabled is var type is already present.
> New Java Hint to replace explicit type of variable with var
> -----------------------------------------------------------
>
> Key: NETBEANS-479
> URL: https://issues.apache.org/jira/browse/NETBEANS-479
> Project: NetBeans
> Issue Type: Improvement
> Reporter: ARUNAVA SINHA
> Assignee: ARUNAVA SINHA
> Priority: Trivial
> Labels: JDK10-LVTI
>
> The IDE will include a prompt to replace the explicit types with ‘var’, when
> the type can be inferred from the context.
> e.g.., String str = new String("Hello");
> can be replaced with var str = new String("hello");
> Preconditions for the hint:
> # hint will be enabled only for JDK10 or higher
> # hint willwork only inside local scope
> # hint will be disabled if var type is already present.
> # hint will not support generic array.
> e.g., Arraylist[] arr = new ArrayList[5];
> Apache Jira Link:
> https://issues.apache.org/jira/browse/NETBEANS-479
> Explicit type of local variable will be converted to var type if type of
> variable is same as assignment type
> Below Scenarios are covered:
> # Object Initialization:
> Integer i = new Integer("10");
> Fix : var i = new Integer("10");
> HashMap<Integer,Integer> map= new HashMap<Integer,Integer>();
> Fix : var map= new HashMap<Integer,Integer>();
> # Array Initialization
> int[][]arr = new int[3][];
> Fix : var arr = new int[3][];
> # Assignment of literal:
> int a = 10;
> Fix: var a = 10;
> # Assignment to a method call
> var list = Collections.unmodifiableList(new ArrayList()) ;
> Below Assignment scenarios are not covered.
> # Anonymous Object
> # Lambda expression
> # Diamond interface
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