- java.lang.Object
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- java.io.Writer
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- java.io.PrintWriter
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- com.aoapps.lang.io.NullPrintWriter
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- All Implemented Interfaces:
Closeable,Flushable,Appendable,AutoCloseable
public final class NullPrintWriter extends PrintWriter
Discards all data.
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Field Summary
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Fields inherited from class java.io.PrintWriter
out
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description NullPrintWriterappend(char c)NullPrintWriterappend(CharSequence csq)NullPrintWriterappend(CharSequence csq, int start, int end)booleancheckError()protected voidclearError()voidclose()voidflush()NullPrintWriterformat(String format, Object... args)NullPrintWriterformat(Locale l, String format, Object... args)static NullPrintWritergetInstance()voidprint(boolean b)voidprint(char c)voidprint(char[] s)voidprint(double d)voidprint(float f)voidprint(int i)voidprint(long l)voidprint(Object obj)voidprint(String s)NullPrintWriterprintf(String format, Object... args)NullPrintWriterprintf(Locale l, String format, Object... args)voidprintln()voidprintln(boolean x)voidprintln(char x)voidprintln(char[] x)voidprintln(double x)voidprintln(float x)voidprintln(int x)voidprintln(long x)voidprintln(Object x)voidprintln(String x)protected voidsetError()voidwrite(char[] cbuf)voidwrite(char[] cbuf, int off, int len)voidwrite(int c)voidwrite(String str)voidwrite(String str, int off, int len)-
Methods inherited from class java.io.Writer
nullWriter
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Method Detail
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getInstance
public static NullPrintWriter getInstance()
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write
public void write(int c)
- Overrides:
writein classPrintWriter
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write
public void write(char[] cbuf)
- Overrides:
writein classPrintWriter
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write
public void write(char[] cbuf, int off, int len)- Overrides:
writein classPrintWriter
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write
public void write(String str)
- Overrides:
writein classPrintWriter
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write
public void write(String str, int off, int len)
- Overrides:
writein classPrintWriter
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append
public NullPrintWriter append(CharSequence csq)
- Specified by:
appendin interfaceAppendable- Overrides:
appendin classPrintWriter
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append
public NullPrintWriter append(CharSequence csq, int start, int end)
- Specified by:
appendin interfaceAppendable- Overrides:
appendin classPrintWriter
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append
public NullPrintWriter append(char c)
- Specified by:
appendin interfaceAppendable- Overrides:
appendin classPrintWriter
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flush
public void flush()
- Specified by:
flushin interfaceFlushable- Overrides:
flushin classPrintWriter
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close
public void close()
- Specified by:
closein interfaceAutoCloseable- Specified by:
closein interfaceCloseable- Overrides:
closein classPrintWriter
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checkError
public boolean checkError()
- Overrides:
checkErrorin classPrintWriter
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setError
protected void setError()
- Overrides:
setErrorin classPrintWriter
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clearError
protected void clearError()
- Overrides:
clearErrorin classPrintWriter
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print
public void print(boolean b)
- Overrides:
printin classPrintWriter
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print
public void print(char c)
- Overrides:
printin classPrintWriter
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print
public void print(int i)
- Overrides:
printin classPrintWriter
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print
public void print(long l)
- Overrides:
printin classPrintWriter
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print
public void print(float f)
- Overrides:
printin classPrintWriter
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print
public void print(double d)
- Overrides:
printin classPrintWriter
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print
public void print(char[] s)
- Overrides:
printin classPrintWriter
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print
public void print(String s)
- Overrides:
printin classPrintWriter
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print
public void print(Object obj)
- Overrides:
printin classPrintWriter
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println
public void println()
- Overrides:
printlnin classPrintWriter
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println
public void println(boolean x)
- Overrides:
printlnin classPrintWriter
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println
public void println(char x)
- Overrides:
printlnin classPrintWriter
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println
public void println(int x)
- Overrides:
printlnin classPrintWriter
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println
public void println(long x)
- Overrides:
printlnin classPrintWriter
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println
public void println(float x)
- Overrides:
printlnin classPrintWriter
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println
public void println(double x)
- Overrides:
printlnin classPrintWriter
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println
public void println(char[] x)
- Overrides:
printlnin classPrintWriter
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println
public void println(String x)
- Overrides:
printlnin classPrintWriter
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println
public void println(Object x)
- Overrides:
printlnin classPrintWriter
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printf
public NullPrintWriter printf(String format, Object... args)
- Overrides:
printfin classPrintWriter
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printf
public NullPrintWriter printf(Locale l, String format, Object... args)
- Overrides:
printfin classPrintWriter
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format
public NullPrintWriter format(String format, Object... args)
- Overrides:
formatin classPrintWriter
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format
public NullPrintWriter format(Locale l, String format, Object... args)
- Overrides:
formatin classPrintWriter
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