formatting - In Java, is there a way to format the output of a double/int or non-string variable? -

i realize sounds simple, , is... code within main(), inside of loop:

system.out.println(num[i]+"\t     "+qty[i]+"\t     "+money.format(price[i])+"\t"+money.format(value[i])+"\t"+reorder[i]); 

with total captured here:

http://maradastudios.ucoz.com/school/capture.png

as may have noticed, works fine. however, during output line of #114 (2nd last line) has total value of $90.00. correct, causes odd spacing reorder point variable. state simply, can format variable take same amount of space it's larger-digited counterparts?

something like

string.format("%10.2f", yourfloat) // or system.out.format("%10.2f", yourfloat) 

will print 10-character wide (including decimal) string, 2 numeric characters after decimal.

(docs)

so

string.format("$%6.2f", value[i]) 

will align both $ , . characters (unless value[i] > 999.99).

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instead of:

system.out.println(     num[i]                +"\t     "+     qty[i]                +"\t     "+     money.format(price[i])+"\t"+     money.format(value[i])+"\t"+     reorder[i]); 

(which had, formatted clarity , remove scroll bar)

i'd write:

system.out.format("%5d\t %5d\t $%5.2f\t $%6.2f\t %5d %n",      num[i], qty[i], price[i], value[i], reorder[i]); 

this assumes price , value arrays floats or doubles. since money isn't standard class, it's hard tell other add $ sign.

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the string format syntax defined in docs, floats it's roughly:

%x.yf 

where x total field width , y number of decimal points

for example

"123.40"  has total width of 6:             3 + 1 [decimal point] + 2 = 6) "  2.34"  has total width of 6:           2 [spaces] + 1 + 1 [decimal point] + 2 = 6