Java Learning Note--string type conversion

A drop of water in the sea, a grain of sand to see the world

--The Belt and road welcome banquet speech

On the code:

1 Package Cn.stringtoobj;2 3  Public classtypeconversion {4 5      Public Static voidMain (string[] args) {6         //convert string to int7String str ="123";8         int[] INTs =New int[3];9ints[0] =integer.parseint (str);Tenints[1] =integer.valueof (str); Oneints[2] =NewInteger (str); A print (ints); -         //string to byte -         byte[] bytes =New byte[3]; thebytes[0] =byte.parsebyte (str); -bytes[1] =byte.valueof (str); -bytes[2] =NewByte (str); - print (bytes); +         //String Turn short -          Short[] Shorts =New  Short[3]; +shorts[0] =Short.parseshort (str); Ashorts[1] =short.valueof (str); atshorts[2] =NewShort (str); - print (shorts); -         //string goes long -         Long[] longs =New Long[3]; -longs[0] =Long.parselong (str); -longs[1] =long.valueof (str); inlongs[2] =NewLong (str); - print (longs); to         //string to double +         Double[] Doubles =New Double[3]; -doubles[0] =double.parsedouble (str); thedoubles[1] =double.valueof (str); *doubles[2] =NewDouble (str); $ print (doubles);Panax Notoginseng         //string Turn float -         float[] Floats =New float[3]; thefloats[0] =float.parsefloat (str); +floats[1] =float.valueof (str); Afloats[2] =NewFloat (str); the print (floats); +         //String Goto Boolean -str ="true"; $boolean[] Booleans =Newboolean[3]; $booleans[0] =Boolean.parseboolean (str); -booleans[1] =boolean.valueof (str); -booleans[2] =NewBoolean (str); the print (booleans); -         //string goto byte[]Wuyi         byte[] Bytes2 =str.getbytes (); the print (bytes2); -         //string goto char[] Wu         Char[] Dstchars =New Char[Str.length ()]; -Str.getchars (0, Str.length (), Dstchars,0); About print (dstchars); $         //object to String -object[] obj =Newobject[5]; -str =string.valueof (obj); -System. out. println (str); Astr =string.valueof (dstchars); +System. out. println (str); the     } -     Private Static voidPrintChar[] dstchars) { $          for(Chari:dstchars) { theSystem. out. print (i +" "); the         } theSystem. out. println (); the     } -     Private Static voidprint (boolean[] booleans) { in          for(Boolean I:booleans) { theSystem. out. print (i +" "); the         } AboutSystem. out. println (); the     } the     Private Static voidPrintfloat[] floats) { the          for(floati:floats) { +System. out. print (i +" "); -         } theSystem. out. println ();Bayi     } the     Private Static voidPrintDouble[] Doubles) { the          for(Doublei:doubles) { -System. out. print (i +" "); -         } theSystem. out. println (); the     } the     Private Static voidPrintLong[] longs) { the          for(Longi:longs) { -System. out. print (i +" "); the         } theSystem. out. println (); the     }94     Private Static voidPrint Short[] shorts) { the          for( Shorti:shorts) { theSystem. out. print (i +" "); the         }98System. out. println (); About     } -     Private Static voidPrintint[]ints] {101          for(inti:ints) {102System. out. print (i +" ");103         }104System. out. println (); the     }106     Private Static voidPrintbyte[]bytes] {107          for(bytei:bytes) {108System. out. print (i +" ");109         } theSystem. out. println ();111     } the}

Java Learning Note--string type conversion