The +, -, *,/
% more than take on both sides of the operator which can be an integer, or floating-point Numbers,
Increasing operator + + + + in before gagarin, + + the back after gagarin
- decrement operators - reduction, reduction of earlier - in the relief after
For example:
Int a=3; Int a=3;
Int b=0; Int b=0;
B=+; B=+ + a;
B=3, a=4; B=4, a=4;
Expression: constants, variables and formulas of operators,
Operation result be out of the return value
//read input one character at a time, flat returns to its corresponding ASCLL code value
Int ri=Console. The Read ();
Console. WriteLine (ri);
For example:
Output method, print and line breaks
Console. WriteLine ();
Output method, only print non-breaking
The Console. The Write ();
The operation of the string
Suitable for the operator of the string to
+.
Strings together, that is, joining together the two strings;
String to add value, to convert the numeric string first, and then in the string concatenation
Escape character
If the string in front of the @ symbol, the escape character failure
\ n
\ b
\ \
\ "
\ '
\ t
Formatting output (placeholder)
{}
Keep floating point is to use the
Keep a digits: F
: P percent
C: money symbol
For example code:
Float age=26.500000 f;
String name="hou central scroll";
Console. WriteLine (" name: {0}, \ nage: {1: f} ", name, age);
Console. WriteLine (" ratio value: {0: p32} ", 1.000 m/3);
The value of the ABC input method is type int
CodePudding user response:
CodePudding user response:
CodePudding user response:
