Type, record and primitive patterns, guards, sealed exhaustiveness, MatchException via separate compilation, and eight captured transcripts. Co-Authored-By: Claude Sonnet 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01TF9JWFvJSNm6HVzswzZU5a
21 lines
707 B
Java
21 lines
707 B
Java
public class PrimitiveInstanceof {
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static String describe(int i) {
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if (i instanceof byte b) return i + " fits in a byte: " + b;
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if (i instanceof short s) return i + " fits in a short: " + s;
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return i + " needs an int";
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}
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static void floats(double d) {
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if (d instanceof float f) System.out.println(d + " converts to float " + f + " without loss");
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else System.out.println(d + " does NOT convert to float without loss");
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}
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public static void main(String[] args) {
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System.out.println(describe(100));
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System.out.println(describe(1000));
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System.out.println(describe(100000));
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floats(0.5);
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floats(0.1);
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}
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}
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