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Editorial Team
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Asked: 2026-06-08T08:22:43+00:00

I have Java 7 running on my mac: System.out.println(System.getProperty(java.version)); // prints 1.7.0_05 Project was

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I have Java 7 running on my mac:

    System.out.println(System.getProperty("java.version")); // prints 1.7.0_05

Project was created using

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Project properties confirm, i am on Java 7

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Default system Java is 7

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The following however results in syntax error

public static void main(String[] args) {    
    // Underscores in Numeric Litarals are ok here  
    int i = 11_234;
}

Eclipse is complaining with Syntax error on token "_234", delete this token

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1 Answer

  1. Editorial Team

    On Eclipse’s Project|Properties dialog, there two entities Java Build Path and Java Compiler. The former will tell you what classes are used during the build, and you may have a Java 7 JRE listed there. The latter, however, is the compiler that will be used to compile your code. It is possible to have Eclipse use a Java 6 compiler even with a Java 7 JRE on the build path.

    My guess is that you are using Helios, not Indigo. See Programming Java 7 in Eclipse

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