src/main/java/com/googlecode/junittoolbox/MultithreadingTester.java
public MultithreadingTester numThreads(int numThreads) {
        if (numThreads <= 1) {
            throw new IllegalArgumentException("Invalid numThreads parameter: " + numThreads + " -- must be greater than 1");
        }
        this.numThreads = numThreads;
        return this;
    }
/**
     * Sets the number of threads used by {@link #run},
     * default is <code>100</code>,
     * returns <code>this</code> to allow method chaining.
     */
Sets the number of threads used by  #run,
default is 100,
returns this to allow method chaining.
Sets the number of threads used by #run default is 100 returns this to allow method chaining .
public MultithreadingTester numThreads(int numThreads) {
        if (numThreads <= 1) {
            throw new IllegalArgumentException("Invalid numThreads parameter: " + numThreads + " -- must be greater than 1");
        }
        this.numThreads = numThreads;
        return this;
    }
public MultithreadingTester numThreads ( int numThreads ) { if ( numThreads <= 1 ) { throw new IllegalArgumentException ( "Invalid numThreads parameter: " + numThreads + " -- must be greater than 1" ) ; } this . numThreads = numThreads ; return this ; }
Sets the number of threads used by {@link #run},
 default is <code>100</code>,
 returns <code>this</code> to allow method chaining.
Sets the number of threads used by { @link #run } default is <code > 100< / code > returns <code > this< / code > to allow method chaining .