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f != eu.verdelhan.ta4j.Decimal
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java.util.IllegalFormatConversionException: f != java.lang.String	at java.util.Formatter$FormatSpecifier.failConversion(Formatter.java:4302)	at java.util.Formatter$FormatSpecifier.printFloat(Formatter.java:2806)	at java.util.Formatter$FormatSpecifier.print(Formatter.java:2753)	at java.util.Formatter.format(Formatter.java:2520)	at java.util.Formatter.format(Formatter.java:2455)	at java.lang.String.format(String.java:2940)	at Test.main(Test.java:37)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at edu.rice.cs.drjava.model.compiler.JavacCompiler.runCommand(JavacCompiler.java:272)