小编Gop*_*pal的帖子

我的Eclipse Java包被视为一个文件夹; 任何人都可以建议什么是错的？

蚂蚁构建中的问题

[javac] Compiling 86 source files to F:\XXX\classes
    [javac] javac: invalid target release: 1.6
    [javac] Usage: javac <options> <source files>
    [javac] where possible options include:
    [javac]   -g                         Generate all debugging info
    [javac]   -g:none                    Generate no debugging info
    [javac]   -g:{lines,vars,source}     Generate only some debugging info
    [javac]   -nowarn                    Generate no warnings
    [javac]   -verbose                   Output messages about what the compiler is doing
    [javac]   -deprecation               Output source locations where deprecated APIs are used
    [javac]   -classpath <path>          Specify where to find user class files
    [javac] …

string mesag="";
mesag="aDoubleArray value at 0------->"<<aDoubleArray[0]<<"   aDoubleArray value at 1 is "<<aDoubleArray[1];
addLog(AMR_LT_WARN, mesag);// this part not working 
addLog(AMR_LT_WARN, "this works well");

我对 C++ 一无所知，只想将 DoubleArray 值打印到日志文件，但它会抛出错误 C2297: '<<' : 非法，右操作数的类型为 'double'