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Java: warning: [removal] Character(char) in Character has been deprecated and marked for removal #1510

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ryandesign opened this issue Apr 24, 2024 · 1 comment
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Java: warning: [removal] Character(char) in Character has been deprecated and marked for removal #1510

ryandesign opened this issue Apr 24, 2024 · 1 comment
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@ryandesign
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These warnings appear when compiling the Java bindings on macOS 14:

build-project:
     [echo] linkgrammar: /Users/runner/work/link-grammar/link-grammar/bindings/java/build.xml
    [javac] Compiling 9 source files to /Users/runner/work/link-grammar/link-grammar/bindings/java/bin
    [javac] warning: [options] bootstrap class path not set in conjunction with -source 8
    [javac] warning: [options] source value 8 is obsolete and will be removed in a future release
    [javac] warning: [options] target value 8 is obsolete and will be removed in a future release
    [javac] warning: [options] To suppress warnings about obsolete options, use -Xlint:-options.
    [javac] /Users/runner/work/link-grammar/link-grammar/bindings/java/org/linkgrammar/JSONReader.java:42: warning: [removal] Character(char) in Character has been deprecated and marked for removal
    [javac]         escapes.put(new Character('"'), new Character('"'));
    [javac]                     ^
    [javac] /Users/runner/work/link-grammar/link-grammar/bindings/java/org/linkgrammar/JSONReader.java:42: warning: [removal] Character(char) in Character has been deprecated and marked for removal
    [javac]         escapes.put(new Character('"'), new Character('"'));
    [javac]                                         ^
    [javac] /Users/runner/work/link-grammar/link-grammar/bindings/java/org/linkgrammar/JSONReader.java:43: warning: [removal] Character(char) in Character has been deprecated and marked for removal
    [javac]         escapes.put(new Character('\\'), new Character('\\'));
    [javac]                     ^
    [javac] /Users/runner/work/link-grammar/link-grammar/bindings/java/org/linkgrammar/JSONReader.java:43: warning: [removal] Character(char) in Character has been deprecated and marked for removal
    [javac]         escapes.put(new Character('\\'), new Character('\\'));
    [javac]                                          ^
    [javac] /Users/runner/work/link-grammar/link-grammar/bindings/java/org/linkgrammar/JSONReader.java:44: warning: [removal] Character(char) in Character has been deprecated and marked for removal
    [javac]         escapes.put(new Character('/'), new Character('/'));
    [javac]                     ^
    [javac] /Users/runner/work/link-grammar/link-grammar/bindings/java/org/linkgrammar/JSONReader.java:44: warning: [removal] Character(char) in Character has been deprecated and marked for removal
    [javac]         escapes.put(new Character('/'), new Character('/'));
    [javac]                                         ^
    [javac] /Users/runner/work/link-grammar/link-grammar/bindings/java/org/linkgrammar/JSONReader.java:45: warning: [removal] Character(char) in Character has been deprecated and marked for removal
    [javac]         escapes.put(new Character('b'), new Character('\b'));
    [javac]                     ^
    [javac] /Users/runner/work/link-grammar/link-grammar/bindings/java/org/linkgrammar/JSONReader.java:45: warning: [removal] Character(char) in Character has been deprecated and marked for removal
    [javac]         escapes.put(new Character('b'), new Character('\b'));
    [javac]                                         ^
    [javac] /Users/runner/work/link-grammar/link-grammar/bindings/java/org/linkgrammar/JSONReader.java:46: warning: [removal] Character(char) in Character has been deprecated and marked for removal
    [javac]         escapes.put(new Character('f'), new Character('\f'));
    [javac]                     ^
    [javac] /Users/runner/work/link-grammar/link-grammar/bindings/java/org/linkgrammar/JSONReader.java:46: warning: [removal] Character(char) in Character has been deprecated and marked for removal
    [javac]         escapes.put(new Character('f'), new Character('\f'));
    [javac]                                         ^
    [javac] /Users/runner/work/link-grammar/link-grammar/bindings/java/org/linkgrammar/JSONReader.java:47: warning: [removal] Character(char) in Character has been deprecated and marked for removal
    [javac]         escapes.put(new Character('n'), new Character('\n'));
    [javac]                     ^
    [javac] /Users/runner/work/link-grammar/link-grammar/bindings/java/org/linkgrammar/JSONReader.java:47: warning: [removal] Character(char) in Character has been deprecated and marked for removal
    [javac]         escapes.put(new Character('n'), new Character('\n'));
    [javac]                                         ^
    [javac] /Users/runner/work/link-grammar/link-grammar/bindings/java/org/linkgrammar/JSONReader.java:48: warning: [removal] Character(char) in Character has been deprecated and marked for removal
    [javac]         escapes.put(new Character('r'), new Character('\r'));
    [javac]                     ^
    [javac] /Users/runner/work/link-grammar/link-grammar/bindings/java/org/linkgrammar/JSONReader.java:48: warning: [removal] Character(char) in Character has been deprecated and marked for removal
    [javac]         escapes.put(new Character('r'), new Character('\r'));
    [javac]                                         ^
    [javac] /Users/runner/work/link-grammar/link-grammar/bindings/java/org/linkgrammar/JSONReader.java:49: warning: [removal] Character(char) in Character has been deprecated and marked for removal
    [javac]         escapes.put(new Character('t'), new Character('\t'));
    [javac]                     ^
    [javac] /Users/runner/work/link-grammar/link-grammar/bindings/java/org/linkgrammar/JSONReader.java:49: warning: [removal] Character(char) in Character has been deprecated and marked for removal
    [javac]         escapes.put(new Character('t'), new Character('\t'));
    [javac]                                         ^
    [javac] /Users/runner/work/link-grammar/link-grammar/bindings/java/org/linkgrammar/JSONReader.java:307: warning: [removal] Character(char) in Character has been deprecated and marked for removal
    [javac]                     Character value = escapes.get(new Character(c));
    [javac]                                                   ^
    [javac] 21 warnings
@linas linas changed the title warning: [removal] Character(char) in Character has been deprecated and marked for removal Java: warning: [removal] Character(char) in Character has been deprecated and marked for removal Apr 25, 2024
@linas linas added the java label Apr 25, 2024
linas added a commit to linas/link-grammar that referenced this issue May 21, 2024
@linas
Fix issue opencog#1510
12634ab 
Apparently, the new Character('x') style is deprecated. The fix is
described here:
https://stackoverflow.com/questions/67093884/deprecated-shortstring-how-to-update
linas added a commit that referenced this issue May 21, 2024
@linas
Merge pull request #1532 from linas/java-char-fix
9580083 
Fix issue #1510
@linas
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linas commented May 21, 2024

Thanks. Fixed in #1532

@linas linas closed this as completed May 21, 2024
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